Home / 11,348.20-17,002.05-5,491.90

Finding the Fourth Proportional to 11,348.20, 17,002.05 and 5,491.90

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Solution

The fourth proportional to 11,348.20, 17,002.05 and 5,491.90 is: 8,228.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,348.20 : 17,002.05 = 5,491.90 : x
  2. Step 2: Convert to fraction form
    11,348.20/17,002.05 = 5,491.90/x
  3. Step 3: Cross multiply
    11,348.20x = 17,002.05 × 5,491.90
  4. Step 4: Simplify right side
    11,348.20x = 93,373,558.40
  5. Step 5: Solve for x
    x = 93,373,558.40/11,348.20
  6. Step 6: Final answer
    x = 8,228.05

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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.