Home / 12,230.11-18,340.37-4,329.57

Finding the Fourth Proportional to 12,230.11, 18,340.37 and 4,329.57

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Solution

The fourth proportional to 12,230.11, 18,340.37 and 4,329.57 is: 6,492.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,230.11 : 18,340.37 = 4,329.57 : x
  2. Step 2: Convert to fraction form
    12,230.11/18,340.37 = 4,329.57/x
  3. Step 3: Cross multiply
    12,230.11x = 18,340.37 × 4,329.57
  4. Step 4: Simplify right side
    12,230.11x = 79,405,926.56
  5. Step 5: Solve for x
    x = 79,405,926.56/12,230.11
  6. Step 6: Final answer
    x = 6,492.66

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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.