Home / 12,544.46-17,311.55-6,879.72

Finding the Fourth Proportional to 12,544.46, 17,311.55 and 6,879.72

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Solution

The fourth proportional to 12,544.46, 17,311.55 and 6,879.72 is: 9,494.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,544.46 : 17,311.55 = 6,879.72 : x
  2. Step 2: Convert to fraction form
    12,544.46/17,311.55 = 6,879.72/x
  3. Step 3: Cross multiply
    12,544.46x = 17,311.55 × 6,879.72
  4. Step 4: Simplify right side
    12,544.46x = 119,098,616.77
  5. Step 5: Solve for x
    x = 119,098,616.77/12,544.46
  6. Step 6: Final answer
    x = 9,494.12

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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.