Home / 18,432.46-27,650.04-7,892.20

Finding the Fourth Proportional to 18,432.46, 27,650.04 and 7,892.20

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Solution

The fourth proportional to 18,432.46, 27,650.04 and 7,892.20 is: 11,838.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,432.46 : 27,650.04 = 7,892.20 : x
  2. Step 2: Convert to fraction form
    18,432.46/27,650.04 = 7,892.20/x
  3. Step 3: Cross multiply
    18,432.46x = 27,650.04 × 7,892.20
  4. Step 4: Simplify right side
    18,432.46x = 218,219,645.69
  5. Step 5: Solve for x
    x = 218,219,645.69/18,432.46
  6. Step 6: Final answer
    x = 11,838.88

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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.