Home / 8,963.91-13,445.85-5,677.92

Finding the Fourth Proportional to 8,963.91, 13,445.85 and 5,677.92

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Solution

The fourth proportional to 8,963.91, 13,445.85 and 5,677.92 is: 8,516.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,963.91 : 13,445.85 = 5,677.92 : x
  2. Step 2: Convert to fraction form
    8,963.91/13,445.85 = 5,677.92/x
  3. Step 3: Cross multiply
    8,963.91x = 13,445.85 × 5,677.92
  4. Step 4: Simplify right side
    8,963.91x = 76,344,460.63
  5. Step 5: Solve for x
    x = 76,344,460.63/8,963.91
  6. Step 6: Final answer
    x = 8,516.87

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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.