Home / 10,675.20-15,986.56-6,049.28

Finding the Fourth Proportional to 10,675.20, 15,986.56 and 6,049.28

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Solution

The fourth proportional to 10,675.20, 15,986.56 and 6,049.28 is: 9,059.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,675.20 : 15,986.56 = 6,049.28 : x
  2. Step 2: Convert to fraction form
    10,675.20/15,986.56 = 6,049.28/x
  3. Step 3: Cross multiply
    10,675.20x = 15,986.56 × 6,049.28
  4. Step 4: Simplify right side
    10,675.20x = 96,707,177.68
  5. Step 5: Solve for x
    x = 96,707,177.68/10,675.20
  6. Step 6: Final answer
    x = 9,059.05

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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.