Home / 11,876.38-17,818.17-4,859.19

Finding the Fourth Proportional to 11,876.38, 17,818.17 and 4,859.19

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Solution

The fourth proportional to 11,876.38, 17,818.17 and 4,859.19 is: 7,290.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,876.38 : 17,818.17 = 4,859.19 : x
  2. Step 2: Convert to fraction form
    11,876.38/17,818.17 = 4,859.19/x
  3. Step 3: Cross multiply
    11,876.38x = 17,818.17 × 4,859.19
  4. Step 4: Simplify right side
    11,876.38x = 86,581,873.48
  5. Step 5: Solve for x
    x = 86,581,873.48/11,876.38
  6. Step 6: Final answer
    x = 7,290.26

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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.