Home / 17,179.20-23,707.20-9,726.72

Finding the Fourth Proportional to 17,179.20, 23,707.20 and 9,726.72

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Solution

The fourth proportional to 17,179.20, 23,707.20 and 9,726.72 is: 13,422.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,179.20 : 23,707.20 = 9,726.72 : x
  2. Step 2: Convert to fraction form
    17,179.20/23,707.20 = 9,726.72/x
  3. Step 3: Cross multiply
    17,179.20x = 23,707.20 × 9,726.72
  4. Step 4: Simplify right side
    17,179.20x = 230,593,296.38
  5. Step 5: Solve for x
    x = 230,593,296.38/17,179.20
  6. Step 6: Final answer
    x = 13,422.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.