Home / 11,478.60-17,218.26-4,082.94

Finding the Fourth Proportional to 11,478.60, 17,218.26 and 4,082.94

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Solution

The fourth proportional to 11,478.60, 17,218.26 and 4,082.94 is: 6,124.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,478.60 : 17,218.26 = 4,082.94 : x
  2. Step 2: Convert to fraction form
    11,478.60/17,218.26 = 4,082.94/x
  3. Step 3: Cross multiply
    11,478.60x = 17,218.26 × 4,082.94
  4. Step 4: Simplify right side
    11,478.60x = 70,301,122.48
  5. Step 5: Solve for x
    x = 70,301,122.48/11,478.60
  6. Step 6: Final answer
    x = 6,124.54

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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.