Home / 22,569.36-31,147.47-12,498.74

Finding the Fourth Proportional to 22,569.36, 31,147.47 and 12,498.74

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Solution

The fourth proportional to 22,569.36, 31,147.47 and 12,498.74 is: 17,249.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,569.36 : 31,147.47 = 12,498.74 : x
  2. Step 2: Convert to fraction form
    22,569.36/31,147.47 = 12,498.74/x
  3. Step 3: Cross multiply
    22,569.36x = 31,147.47 × 12,498.74
  4. Step 4: Simplify right side
    22,569.36x = 389,303,973.45
  5. Step 5: Solve for x
    x = 389,303,973.45/22,569.36
  6. Step 6: Final answer
    x = 17,249.23

Related Problems

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Half scale
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Double scale
Find fourth proportional to 22,570.36, 31,148.85 and 12,499.74
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.