Home / 13,637.76-20,462.82-6,613.92

Finding the Fourth Proportional to 13,637.76, 20,462.82 and 6,613.92

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Solution

The fourth proportional to 13,637.76, 20,462.82 and 6,613.92 is: 9,923.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,637.76 : 20,462.82 = 6,613.92 : x
  2. Step 2: Convert to fraction form
    13,637.76/20,462.82 = 6,613.92/x
  3. Step 3: Cross multiply
    13,637.76x = 20,462.82 × 6,613.92
  4. Step 4: Simplify right side
    13,637.76x = 135,339,454.45
  5. Step 5: Solve for x
    x = 135,339,454.45/13,637.76
  6. Step 6: Final answer
    x = 9,923.88

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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.