Home / 10,643.76-15,966.24-3,249.36

Finding the Fourth Proportional to 10,643.76, 15,966.24 and 3,249.36

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Solution

The fourth proportional to 10,643.76, 15,966.24 and 3,249.36 is: 4,874.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,643.76 : 15,966.24 = 3,249.36 : x
  2. Step 2: Convert to fraction form
    10,643.76/15,966.24 = 3,249.36/x
  3. Step 3: Cross multiply
    10,643.76x = 15,966.24 × 3,249.36
  4. Step 4: Simplify right side
    10,643.76x = 51,880,061.61
  5. Step 5: Solve for x
    x = 51,880,061.61/10,643.76
  6. Step 6: Final answer
    x = 4,874.22

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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.