Home / 11,329.20-16,977.20-10,159.20

Finding the Fourth Proportional to 11,329.20, 16,977.20 and 10,159.20

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Solution

The fourth proportional to 11,329.20, 16,977.20 and 10,159.20 is: 15,223.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,329.20 : 16,977.20 = 10,159.20 : x
  2. Step 2: Convert to fraction form
    11,329.20/16,977.20 = 10,159.20/x
  3. Step 3: Cross multiply
    11,329.20x = 16,977.20 × 10,159.20
  4. Step 4: Simplify right side
    11,329.20x = 172,474,770.24
  5. Step 5: Solve for x
    x = 172,474,770.24/11,329.20
  6. Step 6: Final answer
    x = 15,223.91

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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.