Home / 14,613.13-20,167.10-8,325.55

Finding the Fourth Proportional to 14,613.13, 20,167.10 and 8,325.55

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Solution

The fourth proportional to 14,613.13, 20,167.10 and 8,325.55 is: 11,489.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,613.13 : 20,167.10 = 8,325.55 : x
  2. Step 2: Convert to fraction form
    14,613.13/20,167.10 = 8,325.55/x
  3. Step 3: Cross multiply
    14,613.13x = 20,167.10 × 8,325.55
  4. Step 4: Simplify right side
    14,613.13x = 167,902,199.41
  5. Step 5: Solve for x
    x = 167,902,199.41/14,613.13
  6. Step 6: Final answer
    x = 11,489.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.