Home / 11,990.27-17,988.92-6,150.95

Finding the Fourth Proportional to 11,990.27, 17,988.92 and 6,150.95

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Solution

The fourth proportional to 11,990.27, 17,988.92 and 6,150.95 is: 9,228.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,990.27 : 17,988.92 = 6,150.95 : x
  2. Step 2: Convert to fraction form
    11,990.27/17,988.92 = 6,150.95/x
  3. Step 3: Cross multiply
    11,990.27x = 17,988.92 × 6,150.95
  4. Step 4: Simplify right side
    11,990.27x = 110,648,947.47
  5. Step 5: Solve for x
    x = 110,648,947.47/11,990.27
  6. Step 6: Final answer
    x = 9,228.23

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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.