Home / 17,680.00-24,398.19-9,721.75

Finding the Fourth Proportional to 17,680.00, 24,398.19 and 9,721.75

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Solution

The fourth proportional to 17,680.00, 24,398.19 and 9,721.75 is: 13,415.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,680.00 : 24,398.19 = 9,721.75 : x
  2. Step 2: Convert to fraction form
    17,680.00/24,398.19 = 9,721.75/x
  3. Step 3: Cross multiply
    17,680.00x = 24,398.19 × 9,721.75
  4. Step 4: Simplify right side
    17,680.00x = 237,193,042.64
  5. Step 5: Solve for x
    x = 237,193,042.64/17,680.00
  6. Step 6: Final answer
    x = 13,415.90

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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.