Home / 22,508.53-31,062.10-12,437.21

Finding the Fourth Proportional to 22,508.53, 31,062.10 and 12,437.21

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Solution

The fourth proportional to 22,508.53, 31,062.10 and 12,437.21 is: 17,163.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,508.53 : 31,062.10 = 12,437.21 : x
  2. Step 2: Convert to fraction form
    22,508.53/31,062.10 = 12,437.21/x
  3. Step 3: Cross multiply
    22,508.53x = 31,062.10 × 12,437.21
  4. Step 4: Simplify right side
    22,508.53x = 386,325,860.74
  5. Step 5: Solve for x
    x = 386,325,860.74/22,508.53
  6. Step 6: Final answer
    x = 17,163.53

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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.