Home / 22,637.97-31,242.38-13,209.57

Finding the Fourth Proportional to 22,637.97, 31,242.38 and 13,209.57

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Solution

The fourth proportional to 22,637.97, 31,242.38 and 13,209.57 is: 18,230.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,637.97 : 31,242.38 = 13,209.57 : x
  2. Step 2: Convert to fraction form
    22,637.97/31,242.38 = 13,209.57/x
  3. Step 3: Cross multiply
    22,637.97x = 31,242.38 × 13,209.57
  4. Step 4: Simplify right side
    22,637.97x = 412,698,339.53
  5. Step 5: Solve for x
    x = 412,698,339.53/22,637.97
  6. Step 6: Final answer
    x = 18,230.36

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Half scale
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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.