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Finding the Fourth Proportional to 12,323.64, 17,001.54 and 8,959.08

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Solution

The fourth proportional to 12,323.64, 17,001.54 and 8,959.08 is: 12,359.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,323.64 : 17,001.54 = 8,959.08 : x
  2. Step 2: Convert to fraction form
    12,323.64/17,001.54 = 8,959.08/x
  3. Step 3: Cross multiply
    12,323.64x = 17,001.54 × 8,959.08
  4. Step 4: Simplify right side
    12,323.64x = 152,318,156.98
  5. Step 5: Solve for x
    x = 152,318,156.98/12,323.64
  6. Step 6: Final answer
    x = 12,359.83

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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.