Home / 10,187.62-15,286.61-4,927.13

Finding the Fourth Proportional to 10,187.62, 15,286.61 and 4,927.13

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Solution

The fourth proportional to 10,187.62, 15,286.61 and 4,927.13 is: 7,393.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,187.62 : 15,286.61 = 4,927.13 : x
  2. Step 2: Convert to fraction form
    10,187.62/15,286.61 = 4,927.13/x
  3. Step 3: Cross multiply
    10,187.62x = 15,286.61 × 4,927.13
  4. Step 4: Simplify right side
    10,187.62x = 75,319,050.61
  5. Step 5: Solve for x
    x = 75,319,050.61/10,187.62
  6. Step 6: Final answer
    x = 7,393.20

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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.