Home / 18,344.88-27,529.20-6,657.12

Finding the Fourth Proportional to 18,344.88, 27,529.20 and 6,657.12

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Solution

The fourth proportional to 18,344.88, 27,529.20 and 6,657.12 is: 9,989.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,344.88 : 27,529.20 = 6,657.12 : x
  2. Step 2: Convert to fraction form
    18,344.88/27,529.20 = 6,657.12/x
  3. Step 3: Cross multiply
    18,344.88x = 27,529.20 × 6,657.12
  4. Step 4: Simplify right side
    18,344.88x = 183,265,187.90
  5. Step 5: Solve for x
    x = 183,265,187.90/18,344.88
  6. Step 6: Final answer
    x = 9,989.99

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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.