Home / 10,403.55-15,605.64-2,612.52

Finding the Fourth Proportional to 10,403.55, 15,605.64 and 2,612.52

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Solution

The fourth proportional to 10,403.55, 15,605.64 and 2,612.52 is: 3,918.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,403.55 : 15,605.64 = 2,612.52 : x
  2. Step 2: Convert to fraction form
    10,403.55/15,605.64 = 2,612.52/x
  3. Step 3: Cross multiply
    10,403.55x = 15,605.64 × 2,612.52
  4. Step 4: Simplify right side
    10,403.55x = 40,770,046.61
  5. Step 5: Solve for x
    x = 40,770,046.61/10,403.55
  6. Step 6: Final answer
    x = 3,918.86

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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.