Home / 20,195.37-27,870.92-13,476.72

Finding the Fourth Proportional to 20,195.37, 27,870.92 and 13,476.72

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Solution

The fourth proportional to 20,195.37, 27,870.92 and 13,476.72 is: 18,598.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,195.37 : 27,870.92 = 13,476.72 : x
  2. Step 2: Convert to fraction form
    20,195.37/27,870.92 = 13,476.72/x
  3. Step 3: Cross multiply
    20,195.37x = 27,870.92 × 13,476.72
  4. Step 4: Simplify right side
    20,195.37x = 375,608,517.60
  5. Step 5: Solve for x
    x = 375,608,517.60/20,195.37
  6. Step 6: Final answer
    x = 18,598.74

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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.