Home / 20,567.17-28,381.13-11,613.43

Finding the Fourth Proportional to 20,567.17, 28,381.13 and 11,613.43

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Solution

The fourth proportional to 20,567.17, 28,381.13 and 11,613.43 is: 16,025.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,567.17 : 28,381.13 = 11,613.43 : x
  2. Step 2: Convert to fraction form
    20,567.17/28,381.13 = 11,613.43/x
  3. Step 3: Cross multiply
    20,567.17x = 28,381.13 × 11,613.43
  4. Step 4: Simplify right side
    20,567.17x = 329,602,124.67
  5. Step 5: Solve for x
    x = 329,602,124.67/20,567.17
  6. Step 6: Final answer
    x = 16,025.65

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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.