Home / 18,344.87-27,535.53-8,486.36

Finding the Fourth Proportional to 18,344.87, 27,535.53 and 8,486.36

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Solution

The fourth proportional to 18,344.87, 27,535.53 and 8,486.36 is: 12,737.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,344.87 : 27,535.53 = 8,486.36 : x
  2. Step 2: Convert to fraction form
    18,344.87/27,535.53 = 8,486.36/x
  3. Step 3: Cross multiply
    18,344.87x = 27,535.53 × 8,486.36
  4. Step 4: Simplify right side
    18,344.87x = 233,676,240.26
  5. Step 5: Solve for x
    x = 233,676,240.26/18,344.87
  6. Step 6: Final answer
    x = 12,737.96

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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.