Home / 14,000.48-21,000.72-3,613.04

Finding the Fourth Proportional to 14,000.48, 21,000.72 and 3,613.04

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Solution

The fourth proportional to 14,000.48, 21,000.72 and 3,613.04 is: 5,419.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,000.48 : 21,000.72 = 3,613.04 : x
  2. Step 2: Convert to fraction form
    14,000.48/21,000.72 = 3,613.04/x
  3. Step 3: Cross multiply
    14,000.48x = 21,000.72 × 3,613.04
  4. Step 4: Simplify right side
    14,000.48x = 75,876,441.39
  5. Step 5: Solve for x
    x = 75,876,441.39/14,000.48
  6. Step 6: Final answer
    x = 5,419.56

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Similar ratio
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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.