Home / 10,185.43-15,275.67-4,259.11

Finding the Fourth Proportional to 10,185.43, 15,275.67 and 4,259.11

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Solution

The fourth proportional to 10,185.43, 15,275.67 and 4,259.11 is: 6,387.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,185.43 : 15,275.67 = 4,259.11 : x
  2. Step 2: Convert to fraction form
    10,185.43/15,275.67 = 4,259.11/x
  3. Step 3: Cross multiply
    10,185.43x = 15,275.67 × 4,259.11
  4. Step 4: Simplify right side
    10,185.43x = 65,060,758.85
  5. Step 5: Solve for x
    x = 65,060,758.85/10,185.43
  6. Step 6: Final answer
    x = 6,387.63

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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.