Home / 18,188.54-27,122.18-15,976.43

Finding the Fourth Proportional to 18,188.54, 27,122.18 and 15,976.43

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Solution

The fourth proportional to 18,188.54, 27,122.18 and 15,976.43 is: 23,823.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,188.54 : 27,122.18 = 15,976.43 : x
  2. Step 2: Convert to fraction form
    18,188.54/27,122.18 = 15,976.43/x
  3. Step 3: Cross multiply
    18,188.54x = 27,122.18 × 15,976.43
  4. Step 4: Simplify right side
    18,188.54x = 433,315,530.34
  5. Step 5: Solve for x
    x = 433,315,530.34/18,188.54
  6. Step 6: Final answer
    x = 23,823.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.