Home / 10,491.32-15,737.90-2,700.12

Finding the Fourth Proportional to 10,491.32, 15,737.90 and 2,700.12

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Solution

The fourth proportional to 10,491.32, 15,737.90 and 2,700.12 is: 4,050.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,491.32 : 15,737.90 = 2,700.12 : x
  2. Step 2: Convert to fraction form
    10,491.32/15,737.90 = 2,700.12/x
  3. Step 3: Cross multiply
    10,491.32x = 15,737.90 × 2,700.12
  4. Step 4: Simplify right side
    10,491.32x = 42,494,218.55
  5. Step 5: Solve for x
    x = 42,494,218.55/10,491.32
  6. Step 6: Final answer
    x = 4,050.42

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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.