Home / 9,684.79-14,502.57-6,387.90

Finding the Fourth Proportional to 9,684.79, 14,502.57 and 6,387.90

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Solution

The fourth proportional to 9,684.79, 14,502.57 and 6,387.90 is: 9,565.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,684.79 : 14,502.57 = 6,387.90 : x
  2. Step 2: Convert to fraction form
    9,684.79/14,502.57 = 6,387.90/x
  3. Step 3: Cross multiply
    9,684.79x = 14,502.57 × 6,387.90
  4. Step 4: Simplify right side
    9,684.79x = 92,640,966.90
  5. Step 5: Solve for x
    x = 92,640,966.90/9,684.79
  6. Step 6: Final answer
    x = 9,565.61

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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.