Home / 9,139.05-13,714.06-3,944.92

Finding the Fourth Proportional to 9,139.05, 13,714.06 and 3,944.92

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Solution

The fourth proportional to 9,139.05, 13,714.06 and 3,944.92 is: 5,919.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,139.05 : 13,714.06 = 3,944.92 : x
  2. Step 2: Convert to fraction form
    9,139.05/13,714.06 = 3,944.92/x
  3. Step 3: Cross multiply
    9,139.05x = 13,714.06 × 3,944.92
  4. Step 4: Simplify right side
    9,139.05x = 54,100,869.58
  5. Step 5: Solve for x
    x = 54,100,869.58/9,139.05
  6. Step 6: Final answer
    x = 5,919.75

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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.