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Finding the Fourth Proportional to 16,110.78, 24,169.05 and 5,015.58

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Solution

The fourth proportional to 16,110.78, 24,169.05 and 5,015.58 is: 7,524.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,110.78 : 24,169.05 = 5,015.58 : x
  2. Step 2: Convert to fraction form
    16,110.78/24,169.05 = 5,015.58/x
  3. Step 3: Cross multiply
    16,110.78x = 24,169.05 × 5,015.58
  4. Step 4: Simplify right side
    16,110.78x = 121,221,803.80
  5. Step 5: Solve for x
    x = 121,221,803.80/16,110.78
  6. Step 6: Final answer
    x = 7,524.27

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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.