Home / 11,989.14-16,557.92-9,125.97

Finding the Fourth Proportional to 11,989.14, 16,557.92 and 9,125.97

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Solution

The fourth proportional to 11,989.14, 16,557.92 and 9,125.97 is: 12,603.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,989.14 : 16,557.92 = 9,125.97 : x
  2. Step 2: Convert to fraction form
    11,989.14/16,557.92 = 9,125.97/x
  3. Step 3: Cross multiply
    11,989.14x = 16,557.92 × 9,125.97
  4. Step 4: Simplify right side
    11,989.14x = 151,107,081.18
  5. Step 5: Solve for x
    x = 151,107,081.18/11,989.14
  6. Step 6: Final answer
    x = 12,603.66

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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.