Home / 10,086.24-15,131.28-3,065.76

Finding the Fourth Proportional to 10,086.24, 15,131.28 and 3,065.76

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Solution

The fourth proportional to 10,086.24, 15,131.28 and 3,065.76 is: 4,599.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,086.24 : 15,131.28 = 3,065.76 : x
  2. Step 2: Convert to fraction form
    10,086.24/15,131.28 = 3,065.76/x
  3. Step 3: Cross multiply
    10,086.24x = 15,131.28 × 3,065.76
  4. Step 4: Simplify right side
    10,086.24x = 46,388,872.97
  5. Step 5: Solve for x
    x = 46,388,872.97/10,086.24
  6. Step 6: Final answer
    x = 4,599.22

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.