Home / 10,175.60-15,262.19-2,780.71

Finding the Fourth Proportional to 10,175.60, 15,262.19 and 2,780.71

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Solution

The fourth proportional to 10,175.60, 15,262.19 and 2,780.71 is: 4,170.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,175.60 : 15,262.19 = 2,780.71 : x
  2. Step 2: Convert to fraction form
    10,175.60/15,262.19 = 2,780.71/x
  3. Step 3: Cross multiply
    10,175.60x = 15,262.19 × 2,780.71
  4. Step 4: Simplify right side
    10,175.60x = 42,439,682.72
  5. Step 5: Solve for x
    x = 42,439,682.72/10,175.60
  6. Step 6: Final answer
    x = 4,170.73

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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.