Home / 10,787.02-16,159.78-6,614.85

Finding the Fourth Proportional to 10,787.02, 16,159.78 and 6,614.85

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Solution

The fourth proportional to 10,787.02, 16,159.78 and 6,614.85 is: 9,909.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787.02 : 16,159.78 = 6,614.85 : x
  2. Step 2: Convert to fraction form
    10,787.02/16,159.78 = 6,614.85/x
  3. Step 3: Cross multiply
    10,787.02x = 16,159.78 × 6,614.85
  4. Step 4: Simplify right side
    10,787.02x = 106,894,520.73
  5. Step 5: Solve for x
    x = 106,894,520.73/10,787.02
  6. Step 6: Final answer
    x = 9,909.55

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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.