Home / 10,248.28-15,371.96-2,853.12

Finding the Fourth Proportional to 10,248.28, 15,371.96 and 2,853.12

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Solution

The fourth proportional to 10,248.28, 15,371.96 and 2,853.12 is: 4,279.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,248.28 : 15,371.96 = 2,853.12 : x
  2. Step 2: Convert to fraction form
    10,248.28/15,371.96 = 2,853.12/x
  3. Step 3: Cross multiply
    10,248.28x = 15,371.96 × 2,853.12
  4. Step 4: Simplify right side
    10,248.28x = 43,858,046.52
  5. Step 5: Solve for x
    x = 43,858,046.52/10,248.28
  6. Step 6: Final answer
    x = 4,279.55

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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.