Home / 10,242.38-15,366-3,316.88

Finding the Fourth Proportional to 10,242.38, 15,366 and 3,316.88

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Solution

The fourth proportional to 10,242.38, 15,366 and 3,316.88 is: 4,976.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,242.38 : 15,366 = 3,316.88 : x
  2. Step 2: Convert to fraction form
    10,242.38/15,366 = 3,316.88/x
  3. Step 3: Cross multiply
    10,242.38x = 15,366 × 3,316.88
  4. Step 4: Simplify right side
    10,242.38x = 50,967,101.25
  5. Step 5: Solve for x
    x = 50,967,101.25/10,242.38
  6. Step 6: Final answer
    x = 4,976.10

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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.