Home / 19,808.74-27,336.06-11,425.24

Finding the Fourth Proportional to 19,808.74, 27,336.06 and 11,425.24

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Solution

The fourth proportional to 19,808.74, 27,336.06 and 11,425.24 is: 15,766.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,808.74 : 27,336.06 = 11,425.24 : x
  2. Step 2: Convert to fraction form
    19,808.74/27,336.06 = 11,425.24/x
  3. Step 3: Cross multiply
    19,808.74x = 27,336.06 × 11,425.24
  4. Step 4: Simplify right side
    19,808.74x = 312,321,046.15
  5. Step 5: Solve for x
    x = 312,321,046.15/19,808.74
  6. Step 6: Final answer
    x = 15,766.83

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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.