Home / 10,327.28-15,489.59-3,306.70

Finding the Fourth Proportional to 10,327.28, 15,489.59 and 3,306.70

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Solution

The fourth proportional to 10,327.28, 15,489.59 and 3,306.70 is: 4,959.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,327.28 : 15,489.59 = 3,306.70 : x
  2. Step 2: Convert to fraction form
    10,327.28/15,489.59 = 3,306.70/x
  3. Step 3: Cross multiply
    10,327.28x = 15,489.59 × 3,306.70
  4. Step 4: Simplify right side
    10,327.28x = 51,219,427.25
  5. Step 5: Solve for x
    x = 51,219,427.25/10,327.28
  6. Step 6: Final answer
    x = 4,959.62

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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.