Home / 9,956.22-13,739.64-5,479.83

Finding the Fourth Proportional to 9,956.22, 13,739.64 and 5,479.83

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Solution

The fourth proportional to 9,956.22, 13,739.64 and 5,479.83 is: 7,562.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,956.22 : 13,739.64 = 5,479.83 : x
  2. Step 2: Convert to fraction form
    9,956.22/13,739.64 = 5,479.83/x
  3. Step 3: Cross multiply
    9,956.22x = 13,739.64 × 5,479.83
  4. Step 4: Simplify right side
    9,956.22x = 75,290,891.46
  5. Step 5: Solve for x
    x = 75,290,891.46/9,956.22
  6. Step 6: Final answer
    x = 7,562.20

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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.