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Finding the Fourth Proportional to 15,275.82, 22,910.64 and 8,946.90

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Solution

The fourth proportional to 15,275.82, 22,910.64 and 8,946.90 is: 13,418.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,275.82 : 22,910.64 = 8,946.90 : x
  2. Step 2: Convert to fraction form
    15,275.82/22,910.64 = 8,946.90/x
  3. Step 3: Cross multiply
    15,275.82x = 22,910.64 × 8,946.90
  4. Step 4: Simplify right side
    15,275.82x = 204,979,205.02
  5. Step 5: Solve for x
    x = 204,979,205.02/15,275.82
  6. Step 6: Final answer
    x = 13,418.54

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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.