Home / 13,003.92-19,516.80-5,613.90

Finding the Fourth Proportional to 13,003.92, 19,516.80 and 5,613.90

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Solution

The fourth proportional to 13,003.92, 19,516.80 and 5,613.90 is: 8,425.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,003.92 : 19,516.80 = 5,613.90 : x
  2. Step 2: Convert to fraction form
    13,003.92/19,516.80 = 5,613.90/x
  3. Step 3: Cross multiply
    13,003.92x = 19,516.80 × 5,613.90
  4. Step 4: Simplify right side
    13,003.92x = 109,565,363.52
  5. Step 5: Solve for x
    x = 109,565,363.52/13,003.92
  6. Step 6: Final answer
    x = 8,425.56

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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.