Home / 12,224.38-18,337.55-3,905.57

Finding the Fourth Proportional to 12,224.38, 18,337.55 and 3,905.57

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Solution

The fourth proportional to 12,224.38, 18,337.55 and 3,905.57 is: 5,858.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,224.38 : 18,337.55 = 3,905.57 : x
  2. Step 2: Convert to fraction form
    12,224.38/18,337.55 = 3,905.57/x
  3. Step 3: Cross multiply
    12,224.38x = 18,337.55 × 3,905.57
  4. Step 4: Simplify right side
    12,224.38x = 71,618,585.15
  5. Step 5: Solve for x
    x = 71,618,585.15/12,224.38
  6. Step 6: Final answer
    x = 5,858.67

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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.