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Finding the Fourth Proportional to 17,397, 24,007.86 and 9,945

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Solution

The fourth proportional to 17,397, 24,007.86 and 9,945 is: 13,724.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,397 : 24,007.86 = 9,945 : x
  2. Step 2: Convert to fraction form
    17,397/24,007.86 = 9,945/x
  3. Step 3: Cross multiply
    17,397x = 24,007.86 × 9,945
  4. Step 4: Simplify right side
    17,397x = 238,758,167.70
  5. Step 5: Solve for x
    x = 238,758,167.70/17,397
  6. Step 6: Final answer
    x = 13,724.10

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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.