Home / 13,748.50-20,613.49-6,348.88

Finding the Fourth Proportional to 13,748.50, 20,613.49 and 6,348.88

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Solution

The fourth proportional to 13,748.50, 20,613.49 and 6,348.88 is: 9,519.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,748.50 : 20,613.49 = 6,348.88 : x
  2. Step 2: Convert to fraction form
    13,748.50/20,613.49 = 6,348.88/x
  3. Step 3: Cross multiply
    13,748.50x = 20,613.49 × 6,348.88
  4. Step 4: Simplify right side
    13,748.50x = 130,872,574.39
  5. Step 5: Solve for x
    x = 130,872,574.39/13,748.50
  6. Step 6: Final answer
    x = 9,519.04

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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.