Home / 18,478.88-27,722.17-5,999.16

Finding the Fourth Proportional to 18,478.88, 27,722.17 and 5,999.16

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Solution

The fourth proportional to 18,478.88, 27,722.17 and 5,999.16 is: 8,999.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,478.88 : 27,722.17 = 5,999.16 : x
  2. Step 2: Convert to fraction form
    18,478.88/27,722.17 = 5,999.16/x
  3. Step 3: Cross multiply
    18,478.88x = 27,722.17 × 5,999.16
  4. Step 4: Simplify right side
    18,478.88x = 166,309,861.71
  5. Step 5: Solve for x
    x = 166,309,861.71/18,478.88
  6. Step 6: Final answer
    x = 8,999.99

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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.