Home / 9,012.32-13,519.92-3,169.12

Finding the Fourth Proportional to 9,012.32, 13,519.92 and 3,169.12

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Solution

The fourth proportional to 9,012.32, 13,519.92 and 3,169.12 is: 4,754.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,012.32 : 13,519.92 = 3,169.12 : x
  2. Step 2: Convert to fraction form
    9,012.32/13,519.92 = 3,169.12/x
  3. Step 3: Cross multiply
    9,012.32x = 13,519.92 × 3,169.12
  4. Step 4: Simplify right side
    9,012.32x = 42,846,248.87
  5. Step 5: Solve for x
    x = 42,846,248.87/9,012.32
  6. Step 6: Final answer
    x = 4,754.19

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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.