Home / 22,569.45-31,147.01-12,498.99

Finding the Fourth Proportional to 22,569.45, 31,147.01 and 12,498.99

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Solution

The fourth proportional to 22,569.45, 31,147.01 and 12,498.99 is: 17,249.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,569.45 : 31,147.01 = 12,498.99 : x
  2. Step 2: Convert to fraction form
    22,569.45/31,147.01 = 12,498.99/x
  3. Step 3: Cross multiply
    22,569.45x = 31,147.01 × 12,498.99
  4. Step 4: Simplify right side
    22,569.45x = 389,306,166.52
  5. Step 5: Solve for x
    x = 389,306,166.52/22,569.45
  6. Step 6: Final answer
    x = 17,249.25

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Double scale
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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.