Home / 24,942.45-34,421.31-13,612.68

Finding the Fourth Proportional to 24,942.45, 34,421.31 and 13,612.68

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Solution

The fourth proportional to 24,942.45, 34,421.31 and 13,612.68 is: 18,785.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,942.45 : 34,421.31 = 13,612.68 : x
  2. Step 2: Convert to fraction form
    24,942.45/34,421.31 = 13,612.68/x
  3. Step 3: Cross multiply
    24,942.45x = 34,421.31 × 13,612.68
  4. Step 4: Simplify right side
    24,942.45x = 468,566,149.13
  5. Step 5: Solve for x
    x = 468,566,149.13/24,942.45
  6. Step 6: Final answer
    x = 18,785.89

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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.