Home / 10,449.08-15,673.38-2,657.90

Finding the Fourth Proportional to 10,449.08, 15,673.38 and 2,657.90

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Solution

The fourth proportional to 10,449.08, 15,673.38 and 2,657.90 is: 3,986.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,449.08 : 15,673.38 = 2,657.90 : x
  2. Step 2: Convert to fraction form
    10,449.08/15,673.38 = 2,657.90/x
  3. Step 3: Cross multiply
    10,449.08x = 15,673.38 × 2,657.90
  4. Step 4: Simplify right side
    10,449.08x = 41,658,276.70
  5. Step 5: Solve for x
    x = 41,658,276.70/10,449.08
  6. Step 6: Final answer
    x = 3,986.79

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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.