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Finding the Fourth Proportional to 15,118.56, 22,648.56 and 8,524.56

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Solution

The fourth proportional to 15,118.56, 22,648.56 and 8,524.56 is: 12,770.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,118.56 : 22,648.56 = 8,524.56 : x
  2. Step 2: Convert to fraction form
    15,118.56/22,648.56 = 8,524.56/x
  3. Step 3: Cross multiply
    15,118.56x = 22,648.56 × 8,524.56
  4. Step 4: Simplify right side
    15,118.56x = 193,069,008.63
  5. Step 5: Solve for x
    x = 193,069,008.63/15,118.56
  6. Step 6: Final answer
    x = 12,770.33

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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.