Home / 8,944.14-12,340.04-5,166.80

Finding the Fourth Proportional to 8,944.14, 12,340.04 and 5,166.80

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Solution

The fourth proportional to 8,944.14, 12,340.04 and 5,166.80 is: 7,128.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,944.14 : 12,340.04 = 5,166.80 : x
  2. Step 2: Convert to fraction form
    8,944.14/12,340.04 = 5,166.80/x
  3. Step 3: Cross multiply
    8,944.14x = 12,340.04 × 5,166.80
  4. Step 4: Simplify right side
    8,944.14x = 63,758,431.14
  5. Step 5: Solve for x
    x = 63,758,431.14/8,944.14
  6. Step 6: Final answer
    x = 7,128.51

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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.