Home / 15,177.62-20,947.17-8,892.50

Finding the Fourth Proportional to 15,177.62, 20,947.17 and 8,892.50

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Solution

The fourth proportional to 15,177.62, 20,947.17 and 8,892.50 is: 12,272.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,177.62 : 20,947.17 = 8,892.50 : x
  2. Step 2: Convert to fraction form
    15,177.62/20,947.17 = 8,892.50/x
  3. Step 3: Cross multiply
    15,177.62x = 20,947.17 × 8,892.50
  4. Step 4: Simplify right side
    15,177.62x = 186,272,709.23
  5. Step 5: Solve for x
    x = 186,272,709.23/15,177.62
  6. Step 6: Final answer
    x = 12,272.85

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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.