Home / 10,182.31-15,270.22-3,255.19

Finding the Fourth Proportional to 10,182.31, 15,270.22 and 3,255.19

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Solution

The fourth proportional to 10,182.31, 15,270.22 and 3,255.19 is: 4,881.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,182.31 : 15,270.22 = 3,255.19 : x
  2. Step 2: Convert to fraction form
    10,182.31/15,270.22 = 3,255.19/x
  3. Step 3: Cross multiply
    10,182.31x = 15,270.22 × 3,255.19
  4. Step 4: Simplify right side
    10,182.31x = 49,707,433.34
  5. Step 5: Solve for x
    x = 49,707,433.34/10,182.31
  6. Step 6: Final answer
    x = 4,881.75

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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.