Home / 12,251.80-18,369.19-6,707.75

Finding the Fourth Proportional to 12,251.80, 18,369.19 and 6,707.75

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Solution

The fourth proportional to 12,251.80, 18,369.19 and 6,707.75 is: 10,056.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251.80 : 18,369.19 = 6,707.75 : x
  2. Step 2: Convert to fraction form
    12,251.80/18,369.19 = 6,707.75/x
  3. Step 3: Cross multiply
    12,251.80x = 18,369.19 × 6,707.75
  4. Step 4: Simplify right side
    12,251.80x = 123,215,988.53
  5. Step 5: Solve for x
    x = 123,215,988.53/12,251.80
  6. Step 6: Final answer
    x = 10,056.97

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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.