Home / 19,613.43-29,420.14-7,934.85

Finding the Fourth Proportional to 19,613.43, 29,420.14 and 7,934.85

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Solution

The fourth proportional to 19,613.43, 29,420.14 and 7,934.85 is: 11,902.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,613.43 : 29,420.14 = 7,934.85 : x
  2. Step 2: Convert to fraction form
    19,613.43/29,420.14 = 7,934.85/x
  3. Step 3: Cross multiply
    19,613.43x = 29,420.14 × 7,934.85
  4. Step 4: Simplify right side
    19,613.43x = 233,444,397.88
  5. Step 5: Solve for x
    x = 233,444,397.88/19,613.43
  6. Step 6: Final answer
    x = 11,902.27

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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.