Home / 15,214.56-20,993.52-9,245.76

Finding the Fourth Proportional to 15,214.56, 20,993.52 and 9,245.76

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Solution

The fourth proportional to 15,214.56, 20,993.52 and 9,245.76 is: 12,757.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,214.56 : 20,993.52 = 9,245.76 : x
  2. Step 2: Convert to fraction form
    15,214.56/20,993.52 = 9,245.76/x
  3. Step 3: Cross multiply
    15,214.56x = 20,993.52 × 9,245.76
  4. Step 4: Simplify right side
    15,214.56x = 194,101,047.48
  5. Step 5: Solve for x
    x = 194,101,047.48/15,214.56
  6. Step 6: Final answer
    x = 12,757.59

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.