Home / 11,990.14-16,559.30-9,126.97

Finding the Fourth Proportional to 11,990.14, 16,559.30 and 9,126.97

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Solution

The fourth proportional to 11,990.14, 16,559.30 and 9,126.97 is: 12,605.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,990.14 : 16,559.30 = 9,126.97 : x
  2. Step 2: Convert to fraction form
    11,990.14/16,559.30 = 9,126.97/x
  3. Step 3: Cross multiply
    11,990.14x = 16,559.30 × 9,126.97
  4. Step 4: Simplify right side
    11,990.14x = 151,136,234.32
  5. Step 5: Solve for x
    x = 151,136,234.32/11,990.14
  6. Step 6: Final answer
    x = 12,605.04

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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.