Home / 12,231.11-18,341.87-4,330.57

Finding the Fourth Proportional to 12,231.11, 18,341.87 and 4,330.57

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Solution

The fourth proportional to 12,231.11, 18,341.87 and 4,330.57 is: 6,494.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,231.11 : 18,341.87 = 4,330.57 : x
  2. Step 2: Convert to fraction form
    12,231.11/18,341.87 = 4,330.57/x
  3. Step 3: Cross multiply
    12,231.11x = 18,341.87 × 4,330.57
  4. Step 4: Simplify right side
    12,231.11x = 79,430,751.97
  5. Step 5: Solve for x
    x = 79,430,751.97/12,231.11
  6. Step 6: Final answer
    x = 6,494.16

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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.