Home / 43,947.20-65,915.57-11,487.26

Finding the Fourth Proportional to 43,947.20, 65,915.57 and 11,487.26

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Solution

The fourth proportional to 43,947.20, 65,915.57 and 11,487.26 is: 17,229.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,947.20 : 65,915.57 = 11,487.26 : x
  2. Step 2: Convert to fraction form
    43,947.20/65,915.57 = 11,487.26/x
  3. Step 3: Cross multiply
    43,947.20x = 65,915.57 × 11,487.26
  4. Step 4: Simplify right side
    43,947.20x = 757,189,484.15
  5. Step 5: Solve for x
    x = 757,189,484.15/43,947.20
  6. Step 6: Final answer
    x = 17,229.53

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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.