Home / 10,182.24-15,275.76-3,161.90

Finding the Fourth Proportional to 10,182.24, 15,275.76 and 3,161.90

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Solution

The fourth proportional to 10,182.24, 15,275.76 and 3,161.90 is: 4,743.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,182.24 : 15,275.76 = 3,161.90 : x
  2. Step 2: Convert to fraction form
    10,182.24/15,275.76 = 3,161.90/x
  3. Step 3: Cross multiply
    10,182.24x = 15,275.76 × 3,161.90
  4. Step 4: Simplify right side
    10,182.24x = 48,300,337.31
  5. Step 5: Solve for x
    x = 48,300,337.31/10,182.24
  6. Step 6: Final answer
    x = 4,743.58

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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.