Home / 19,543.68-29,301.12-8,449.92

Finding the Fourth Proportional to 19,543.68, 29,301.12 and 8,449.92

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Solution

The fourth proportional to 19,543.68, 29,301.12 and 8,449.92 is: 12,668.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,543.68 : 29,301.12 = 8,449.92 : x
  2. Step 2: Convert to fraction form
    19,543.68/29,301.12 = 8,449.92/x
  3. Step 3: Cross multiply
    19,543.68x = 29,301.12 × 8,449.92
  4. Step 4: Simplify right side
    19,543.68x = 247,592,119.91
  5. Step 5: Solve for x
    x = 247,592,119.91/19,543.68
  6. Step 6: Final answer
    x = 12,668.65

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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.