Home / 18,135.23-27,211.22-8,277.53

Finding the Fourth Proportional to 18,135.23, 27,211.22 and 8,277.53

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Solution

The fourth proportional to 18,135.23, 27,211.22 and 8,277.53 is: 12,420.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,135.23 : 27,211.22 = 8,277.53 : x
  2. Step 2: Convert to fraction form
    18,135.23/27,211.22 = 8,277.53/x
  3. Step 3: Cross multiply
    18,135.23x = 27,211.22 × 8,277.53
  4. Step 4: Simplify right side
    18,135.23x = 225,241,778.61
  5. Step 5: Solve for x
    x = 225,241,778.61/18,135.23
  6. Step 6: Final answer
    x = 12,420.12

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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.