Home / 11,387.90-17,082.97-4,723.02

Finding the Fourth Proportional to 11,387.90, 17,082.97 and 4,723.02

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Solution

The fourth proportional to 11,387.90, 17,082.97 and 4,723.02 is: 7,084.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,387.90 : 17,082.97 = 4,723.02 : x
  2. Step 2: Convert to fraction form
    11,387.90/17,082.97 = 4,723.02/x
  3. Step 3: Cross multiply
    11,387.90x = 17,082.97 × 4,723.02
  4. Step 4: Simplify right side
    11,387.90x = 80,683,197.16
  5. Step 5: Solve for x
    x = 80,683,197.16/11,387.90
  6. Step 6: Final answer
    x = 7,084.99

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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.