Home / 11,972.76-16,524.39-9,134.79

Finding the Fourth Proportional to 11,972.76, 16,524.39 and 9,134.79

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Solution

The fourth proportional to 11,972.76, 16,524.39 and 9,134.79 is: 12,607.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,972.76 : 16,524.39 = 9,134.79 : x
  2. Step 2: Convert to fraction form
    11,972.76/16,524.39 = 9,134.79/x
  3. Step 3: Cross multiply
    11,972.76x = 16,524.39 × 9,134.79
  4. Step 4: Simplify right side
    11,972.76x = 150,946,832.53
  5. Step 5: Solve for x
    x = 150,946,832.53/11,972.76
  6. Step 6: Final answer
    x = 12,607.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.