Home / 11,306.56-16,958.40-2,987.26

Finding the Fourth Proportional to 11,306.56, 16,958.40 and 2,987.26

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Solution

The fourth proportional to 11,306.56, 16,958.40 and 2,987.26 is: 4,480.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,306.56 : 16,958.40 = 2,987.26 : x
  2. Step 2: Convert to fraction form
    11,306.56/16,958.40 = 2,987.26/x
  3. Step 3: Cross multiply
    11,306.56x = 16,958.40 × 2,987.26
  4. Step 4: Simplify right side
    11,306.56x = 50,659,149.98
  5. Step 5: Solve for x
    x = 50,659,149.98/11,306.56
  6. Step 6: Final answer
    x = 4,480.51

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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.