Home / 10,366.86-15,550.40-2,575.68

Finding the Fourth Proportional to 10,366.86, 15,550.40 and 2,575.68

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Solution

The fourth proportional to 10,366.86, 15,550.40 and 2,575.68 is: 3,863.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366.86 : 15,550.40 = 2,575.68 : x
  2. Step 2: Convert to fraction form
    10,366.86/15,550.40 = 2,575.68/x
  3. Step 3: Cross multiply
    10,366.86x = 15,550.40 × 2,575.68
  4. Step 4: Simplify right side
    10,366.86x = 40,052,854.27
  5. Step 5: Solve for x
    x = 40,052,854.27/10,366.86
  6. Step 6: Final answer
    x = 3,863.55

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1.5x scale

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.