Home / 19,433.13-29,105.85-13,615.71

Finding the Fourth Proportional to 19,433.13, 29,105.85 and 13,615.71

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Solution

The fourth proportional to 19,433.13, 29,105.85 and 13,615.71 is: 20,392.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,433.13 : 29,105.85 = 13,615.71 : x
  2. Step 2: Convert to fraction form
    19,433.13/29,105.85 = 13,615.71/x
  3. Step 3: Cross multiply
    19,433.13x = 29,105.85 × 13,615.71
  4. Step 4: Simplify right side
    19,433.13x = 396,296,812.90
  5. Step 5: Solve for x
    x = 396,296,812.90/19,433.13
  6. Step 6: Final answer
    x = 20,392.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.