Home / 11,147.40-16,722.30-3,751.56

Finding the Fourth Proportional to 11,147.40, 16,722.30 and 3,751.56

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Solution

The fourth proportional to 11,147.40, 16,722.30 and 3,751.56 is: 5,627.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,147.40 : 16,722.30 = 3,751.56 : x
  2. Step 2: Convert to fraction form
    11,147.40/16,722.30 = 3,751.56/x
  3. Step 3: Cross multiply
    11,147.40x = 16,722.30 × 3,751.56
  4. Step 4: Simplify right side
    11,147.40x = 62,734,711.79
  5. Step 5: Solve for x
    x = 62,734,711.79/11,147.40
  6. Step 6: Final answer
    x = 5,627.74

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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.