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Finding the Fourth Proportional to 15,245.10, 22,876.38 and 8,225.10

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Solution

The fourth proportional to 15,245.10, 22,876.38 and 8,225.10 is: 12,342.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,245.10 : 22,876.38 = 8,225.10 : x
  2. Step 2: Convert to fraction form
    15,245.10/22,876.38 = 8,225.10/x
  3. Step 3: Cross multiply
    15,245.10x = 22,876.38 × 8,225.10
  4. Step 4: Simplify right side
    15,245.10x = 188,160,513.14
  5. Step 5: Solve for x
    x = 188,160,513.14/15,245.10
  6. Step 6: Final answer
    x = 12,342.36

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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.