Home / 10,175.22-15,262.92-2,779.56

Finding the Fourth Proportional to 10,175.22, 15,262.92 and 2,779.56

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Solution

The fourth proportional to 10,175.22, 15,262.92 and 2,779.56 is: 4,169.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,175.22 : 15,262.92 = 2,779.56 : x
  2. Step 2: Convert to fraction form
    10,175.22/15,262.92 = 2,779.56/x
  3. Step 3: Cross multiply
    10,175.22x = 15,262.92 × 2,779.56
  4. Step 4: Simplify right side
    10,175.22x = 42,424,201.92
  5. Step 5: Solve for x
    x = 42,424,201.92/10,175.22
  6. Step 6: Final answer
    x = 4,169.36

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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.