Home / 9,171.15-13,751.56-2,929.70

Finding the Fourth Proportional to 9,171.15, 13,751.56 and 2,929.70

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Solution

The fourth proportional to 9,171.15, 13,751.56 and 2,929.70 is: 4,392.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,171.15 : 13,751.56 = 2,929.70 : x
  2. Step 2: Convert to fraction form
    9,171.15/13,751.56 = 2,929.70/x
  3. Step 3: Cross multiply
    9,171.15x = 13,751.56 × 2,929.70
  4. Step 4: Simplify right side
    9,171.15x = 40,287,945.33
  5. Step 5: Solve for x
    x = 40,287,945.33/9,171.15
  6. Step 6: Final answer
    x = 4,392.90

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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.