Home / 15,134.24-20,882.18-8,845.40

Finding the Fourth Proportional to 15,134.24, 20,882.18 and 8,845.40

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Solution

The fourth proportional to 15,134.24, 20,882.18 and 8,845.40 is: 12,204.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,134.24 : 20,882.18 = 8,845.40 : x
  2. Step 2: Convert to fraction form
    15,134.24/20,882.18 = 8,845.40/x
  3. Step 3: Cross multiply
    15,134.24x = 20,882.18 × 8,845.40
  4. Step 4: Simplify right side
    15,134.24x = 184,711,234.97
  5. Step 5: Solve for x
    x = 184,711,234.97/15,134.24
  6. Step 6: Final answer
    x = 12,204.86

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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.