Home / 10,251.36-15,367.32-3,321

Finding the Fourth Proportional to 10,251.36, 15,367.32 and 3,321

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Solution

The fourth proportional to 10,251.36, 15,367.32 and 3,321 is: 4,978.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,251.36 : 15,367.32 = 3,321 : x
  2. Step 2: Convert to fraction form
    10,251.36/15,367.32 = 3,321/x
  3. Step 3: Cross multiply
    10,251.36x = 15,367.32 × 3,321
  4. Step 4: Simplify right side
    10,251.36x = 51,034,869.72
  5. Step 5: Solve for x
    x = 51,034,869.72/10,251.36
  6. Step 6: Final answer
    x = 4,978.35

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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.