Home / 14,517.76-21,766.56-7,947.04

Finding the Fourth Proportional to 14,517.76, 21,766.56 and 7,947.04

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Solution

The fourth proportional to 14,517.76, 21,766.56 and 7,947.04 is: 11,915.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,517.76 : 21,766.56 = 7,947.04 : x
  2. Step 2: Convert to fraction form
    14,517.76/21,766.56 = 7,947.04/x
  3. Step 3: Cross multiply
    14,517.76x = 21,766.56 × 7,947.04
  4. Step 4: Simplify right side
    14,517.76x = 172,979,722.98
  5. Step 5: Solve for x
    x = 172,979,722.98/14,517.76
  6. Step 6: Final answer
    x = 11,915.04

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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.