Home / 20,134.41-27,799.39-12,584.13

Finding the Fourth Proportional to 20,134.41, 27,799.39 and 12,584.13

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Solution

The fourth proportional to 20,134.41, 27,799.39 and 12,584.13 is: 17,374.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,134.41 : 27,799.39 = 12,584.13 : x
  2. Step 2: Convert to fraction form
    20,134.41/27,799.39 = 12,584.13/x
  3. Step 3: Cross multiply
    20,134.41x = 27,799.39 × 12,584.13
  4. Step 4: Simplify right side
    20,134.41x = 349,831,106.22
  5. Step 5: Solve for x
    x = 349,831,106.22/20,134.41
  6. Step 6: Final answer
    x = 17,374.79

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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.