Home / 11,478.72-17,214.60-4,082.19

Finding the Fourth Proportional to 11,478.72, 17,214.60 and 4,082.19

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Solution

The fourth proportional to 11,478.72, 17,214.60 and 4,082.19 is: 6,122.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,478.72 : 17,214.60 = 4,082.19 : x
  2. Step 2: Convert to fraction form
    11,478.72/17,214.60 = 4,082.19/x
  3. Step 3: Cross multiply
    11,478.72x = 17,214.60 × 4,082.19
  4. Step 4: Simplify right side
    11,478.72x = 70,273,267.97
  5. Step 5: Solve for x
    x = 70,273,267.97/11,478.72
  6. Step 6: Final answer
    x = 6,122.05

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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.