Home / 22,542.93-31,107.29-12,471.21

Finding the Fourth Proportional to 22,542.93, 31,107.29 and 12,471.21

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Solution

The fourth proportional to 22,542.93, 31,107.29 and 12,471.21 is: 17,209.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,542.93 : 31,107.29 = 12,471.21 : x
  2. Step 2: Convert to fraction form
    22,542.93/31,107.29 = 12,471.21/x
  3. Step 3: Cross multiply
    22,542.93x = 31,107.29 × 12,471.21
  4. Step 4: Simplify right side
    22,542.93x = 387,945,483.76
  5. Step 5: Solve for x
    x = 387,945,483.76/22,542.93
  6. Step 6: Final answer
    x = 17,209.19

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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.