Home / 10,118.32-15,177.30-3,876.64

Finding the Fourth Proportional to 10,118.32, 15,177.30 and 3,876.64

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Solution

The fourth proportional to 10,118.32, 15,177.30 and 3,876.64 is: 5,814.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,118.32 : 15,177.30 = 3,876.64 : x
  2. Step 2: Convert to fraction form
    10,118.32/15,177.30 = 3,876.64/x
  3. Step 3: Cross multiply
    10,118.32x = 15,177.30 × 3,876.64
  4. Step 4: Simplify right side
    10,118.32x = 58,836,928.27
  5. Step 5: Solve for x
    x = 58,836,928.27/10,118.32
  6. Step 6: Final answer
    x = 5,814.89

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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.