Home / 9,956.27-13,739.48-5,479.93

Finding the Fourth Proportional to 9,956.27, 13,739.48 and 5,479.93

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Solution

The fourth proportional to 9,956.27, 13,739.48 and 5,479.93 is: 7,562.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,956.27 : 13,739.48 = 5,479.93 : x
  2. Step 2: Convert to fraction form
    9,956.27/13,739.48 = 5,479.93/x
  3. Step 3: Cross multiply
    9,956.27x = 13,739.48 × 5,479.93
  4. Step 4: Simplify right side
    9,956.27x = 75,291,367.99
  5. Step 5: Solve for x
    x = 75,291,367.99/9,956.27
  6. Step 6: Final answer
    x = 7,562.21

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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.