Home / 10,326.28-15,488.09-3,305.70

Finding the Fourth Proportional to 10,326.28, 15,488.09 and 3,305.70

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Solution

The fourth proportional to 10,326.28, 15,488.09 and 3,305.70 is: 4,958.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,326.28 : 15,488.09 = 3,305.70 : x
  2. Step 2: Convert to fraction form
    10,326.28/15,488.09 = 3,305.70/x
  3. Step 3: Cross multiply
    10,326.28x = 15,488.09 × 3,305.70
  4. Step 4: Simplify right side
    10,326.28x = 51,198,979.11
  5. Step 5: Solve for x
    x = 51,198,979.11/10,326.28
  6. Step 6: Final answer
    x = 4,958.12

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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.