Home / 16,661.11-22,990.11-10,700.85

Finding the Fourth Proportional to 16,661.11, 22,990.11 and 10,700.85

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Solution

The fourth proportional to 16,661.11, 22,990.11 and 10,700.85 is: 14,765.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,661.11 : 22,990.11 = 10,700.85 : x
  2. Step 2: Convert to fraction form
    16,661.11/22,990.11 = 10,700.85/x
  3. Step 3: Cross multiply
    16,661.11x = 22,990.11 × 10,700.85
  4. Step 4: Simplify right side
    16,661.11x = 246,013,718.59
  5. Step 5: Solve for x
    x = 246,013,718.59/16,661.11
  6. Step 6: Final answer
    x = 14,765.75

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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.