Home / 10,491.30-15,737.13-2,700.18

Finding the Fourth Proportional to 10,491.30, 15,737.13 and 2,700.18

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Solution

The fourth proportional to 10,491.30, 15,737.13 and 2,700.18 is: 4,050.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,491.30 : 15,737.13 = 2,700.18 : x
  2. Step 2: Convert to fraction form
    10,491.30/15,737.13 = 2,700.18/x
  3. Step 3: Cross multiply
    10,491.30x = 15,737.13 × 2,700.18
  4. Step 4: Simplify right side
    10,491.30x = 42,493,083.68
  5. Step 5: Solve for x
    x = 42,493,083.68/10,491.30
  6. Step 6: Final answer
    x = 4,050.32

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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.