Home / 19,808.54-27,335.78-11,425.04

Finding the Fourth Proportional to 19,808.54, 27,335.78 and 11,425.04

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Solution

The fourth proportional to 19,808.54, 27,335.78 and 11,425.04 is: 15,766.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,808.54 : 27,335.78 = 11,425.04 : x
  2. Step 2: Convert to fraction form
    19,808.54/27,335.78 = 11,425.04/x
  3. Step 3: Cross multiply
    19,808.54x = 27,335.78 × 11,425.04
  4. Step 4: Simplify right side
    19,808.54x = 312,312,186.13
  5. Step 5: Solve for x
    x = 312,312,186.13/19,808.54
  6. Step 6: Final answer
    x = 15,766.55

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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.