Home / 11,861.51-17,700.15-10,286.87

Finding the Fourth Proportional to 11,861.51, 17,700.15 and 10,286.87

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Solution

The fourth proportional to 11,861.51, 17,700.15 and 10,286.87 is: 15,350.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,861.51 : 17,700.15 = 10,286.87 : x
  2. Step 2: Convert to fraction form
    11,861.51/17,700.15 = 10,286.87/x
  3. Step 3: Cross multiply
    11,861.51x = 17,700.15 × 10,286.87
  4. Step 4: Simplify right side
    11,861.51x = 182,079,092.11
  5. Step 5: Solve for x
    x = 182,079,092.11/11,861.51
  6. Step 6: Final answer
    x = 15,350.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.