Home / 11,239.11-16,836.08-5,599.78

Finding the Fourth Proportional to 11,239.11, 16,836.08 and 5,599.78

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Solution

The fourth proportional to 11,239.11, 16,836.08 and 5,599.78 is: 8,388.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,239.11 : 16,836.08 = 5,599.78 : x
  2. Step 2: Convert to fraction form
    11,239.11/16,836.08 = 5,599.78/x
  3. Step 3: Cross multiply
    11,239.11x = 16,836.08 × 5,599.78
  4. Step 4: Simplify right side
    11,239.11x = 94,278,344.06
  5. Step 5: Solve for x
    x = 94,278,344.06/11,239.11
  6. Step 6: Final answer
    x = 8,388.42

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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.