Home / 15,049.24-20,761.05-9,745.76

Finding the Fourth Proportional to 15,049.24, 20,761.05 and 9,745.76

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Solution

The fourth proportional to 15,049.24, 20,761.05 and 9,745.76 is: 13,444.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,049.24 : 20,761.05 = 9,745.76 : x
  2. Step 2: Convert to fraction form
    15,049.24/20,761.05 = 9,745.76/x
  3. Step 3: Cross multiply
    15,049.24x = 20,761.05 × 9,745.76
  4. Step 4: Simplify right side
    15,049.24x = 202,332,210.65
  5. Step 5: Solve for x
    x = 202,332,210.65/15,049.24
  6. Step 6: Final answer
    x = 13,444.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.