Home / 17,239.19-23,790.05-9,685.73

Finding the Fourth Proportional to 17,239.19, 23,790.05 and 9,685.73

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Solution

The fourth proportional to 17,239.19, 23,790.05 and 9,685.73 is: 13,366.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,239.19 : 23,790.05 = 9,685.73 : x
  2. Step 2: Convert to fraction form
    17,239.19/23,790.05 = 9,685.73/x
  3. Step 3: Cross multiply
    17,239.19x = 23,790.05 × 9,685.73
  4. Step 4: Simplify right side
    17,239.19x = 230,423,833.61
  5. Step 5: Solve for x
    x = 230,423,833.61/17,239.19
  6. Step 6: Final answer
    x = 13,366.28

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Half scale
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Double scale
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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.