Home / 9,447.20-13,037.19-5,198.70

Finding the Fourth Proportional to 9,447.20, 13,037.19 and 5,198.70

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Solution

The fourth proportional to 9,447.20, 13,037.19 and 5,198.70 is: 7,174.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,447.20 : 13,037.19 = 5,198.70 : x
  2. Step 2: Convert to fraction form
    9,447.20/13,037.19 = 5,198.70/x
  3. Step 3: Cross multiply
    9,447.20x = 13,037.19 × 5,198.70
  4. Step 4: Simplify right side
    9,447.20x = 67,776,439.65
  5. Step 5: Solve for x
    x = 67,776,439.65/9,447.20
  6. Step 6: Final answer
    x = 7,174.24

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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.