Home / 12,439.76-18,654.20-6,595.04

Finding the Fourth Proportional to 12,439.76, 18,654.20 and 6,595.04

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Solution

The fourth proportional to 12,439.76, 18,654.20 and 6,595.04 is: 9,889.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,439.76 : 18,654.20 = 6,595.04 : x
  2. Step 2: Convert to fraction form
    12,439.76/18,654.20 = 6,595.04/x
  3. Step 3: Cross multiply
    12,439.76x = 18,654.20 × 6,595.04
  4. Step 4: Simplify right side
    12,439.76x = 123,025,195.17
  5. Step 5: Solve for x
    x = 123,025,195.17/12,439.76
  6. Step 6: Final answer
    x = 9,889.68

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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.