Home / 18,111.53-27,173.21-8,752.62

Finding the Fourth Proportional to 18,111.53, 27,173.21 and 8,752.62

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Solution

The fourth proportional to 18,111.53, 27,173.21 and 8,752.62 is: 13,131.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,111.53 : 27,173.21 = 8,752.62 : x
  2. Step 2: Convert to fraction form
    18,111.53/27,173.21 = 8,752.62/x
  3. Step 3: Cross multiply
    18,111.53x = 27,173.21 × 8,752.62
  4. Step 4: Simplify right side
    18,111.53x = 237,836,737.55
  5. Step 5: Solve for x
    x = 237,836,737.55/18,111.53
  6. Step 6: Final answer
    x = 13,131.79

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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.