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Finding the Fourth Proportional to 16,951.65, 23,392.93 and 9,397.92

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Solution

The fourth proportional to 16,951.65, 23,392.93 and 9,397.92 is: 12,968.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,951.65 : 23,392.93 = 9,397.92 : x
  2. Step 2: Convert to fraction form
    16,951.65/23,392.93 = 9,397.92/x
  3. Step 3: Cross multiply
    16,951.65x = 23,392.93 × 9,397.92
  4. Step 4: Simplify right side
    16,951.65x = 219,844,940.12
  5. Step 5: Solve for x
    x = 219,844,940.12/16,951.65
  6. Step 6: Final answer
    x = 12,968.94

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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.