Home / 13,844.38-20,766.37-6,444.70

Finding the Fourth Proportional to 13,844.38, 20,766.37 and 6,444.70

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Solution

The fourth proportional to 13,844.38, 20,766.37 and 6,444.70 is: 9,666.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,844.38 : 20,766.37 = 6,444.70 : x
  2. Step 2: Convert to fraction form
    13,844.38/20,766.37 = 6,444.70/x
  3. Step 3: Cross multiply
    13,844.38x = 20,766.37 × 6,444.70
  4. Step 4: Simplify right side
    13,844.38x = 133,832,904.80
  5. Step 5: Solve for x
    x = 133,832,904.80/13,844.38
  6. Step 6: Final answer
    x = 9,666.95

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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.