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Finding the Fourth Proportional to 13,296.08, 19,951.08 and 8,614.88

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Solution

The fourth proportional to 13,296.08, 19,951.08 and 8,614.88 is: 12,926.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296.08 : 19,951.08 = 8,614.88 : x
  2. Step 2: Convert to fraction form
    13,296.08/19,951.08 = 8,614.88/x
  3. Step 3: Cross multiply
    13,296.08x = 19,951.08 × 8,614.88
  4. Step 4: Simplify right side
    13,296.08x = 171,876,102.83
  5. Step 5: Solve for x
    x = 171,876,102.83/13,296.08
  6. Step 6: Final answer
    x = 12,926.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.