Home / 11,445.18-17,170.50-4,777.97

Finding the Fourth Proportional to 11,445.18, 17,170.50 and 4,777.97

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Solution

The fourth proportional to 11,445.18, 17,170.50 and 4,777.97 is: 7,168.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,445.18 : 17,170.50 = 4,777.97 : x
  2. Step 2: Convert to fraction form
    11,445.18/17,170.50 = 4,777.97/x
  3. Step 3: Cross multiply
    11,445.18x = 17,170.50 × 4,777.97
  4. Step 4: Simplify right side
    11,445.18x = 82,040,048.03
  5. Step 5: Solve for x
    x = 82,040,048.03/11,445.18
  6. Step 6: Final answer
    x = 7,168.09

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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.