Home / 18,962.72-28,449.54-5,817.02

Finding the Fourth Proportional to 18,962.72, 28,449.54 and 5,817.02

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Solution

The fourth proportional to 18,962.72, 28,449.54 and 5,817.02 is: 8,727.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,962.72 : 28,449.54 = 5,817.02 : x
  2. Step 2: Convert to fraction form
    18,962.72/28,449.54 = 5,817.02/x
  3. Step 3: Cross multiply
    18,962.72x = 28,449.54 × 5,817.02
  4. Step 4: Simplify right side
    18,962.72x = 165,491,543.17
  5. Step 5: Solve for x
    x = 165,491,543.17/18,962.72
  6. Step 6: Final answer
    x = 8,727.20

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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.