Home / 18,084.24-27,126.36-13,470.48

Finding the Fourth Proportional to 18,084.24, 27,126.36 and 13,470.48

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Solution

The fourth proportional to 18,084.24, 27,126.36 and 13,470.48 is: 20,205.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,084.24 : 27,126.36 = 13,470.48 : x
  2. Step 2: Convert to fraction form
    18,084.24/27,126.36 = 13,470.48/x
  3. Step 3: Cross multiply
    18,084.24x = 27,126.36 × 13,470.48
  4. Step 4: Simplify right side
    18,084.24x = 365,405,089.85
  5. Step 5: Solve for x
    x = 365,405,089.85/18,084.24
  6. Step 6: Final answer
    x = 20,205.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.