Home / 19,613.99-29,417.89-8,517.70

Finding the Fourth Proportional to 19,613.99, 29,417.89 and 8,517.70

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Solution

The fourth proportional to 19,613.99, 29,417.89 and 8,517.70 is: 12,775.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,613.99 : 29,417.89 = 8,517.70 : x
  2. Step 2: Convert to fraction form
    19,613.99/29,417.89 = 8,517.70/x
  3. Step 3: Cross multiply
    19,613.99x = 29,417.89 × 8,517.70
  4. Step 4: Simplify right side
    19,613.99x = 250,572,777.13
  5. Step 5: Solve for x
    x = 250,572,777.13/19,613.99
  6. Step 6: Final answer
    x = 12,775.21

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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.