Home / 19,591.20-29,399.40-10,832.40

Finding the Fourth Proportional to 19,591.20, 29,399.40 and 10,832.40

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Solution

The fourth proportional to 19,591.20, 29,399.40 and 10,832.40 is: 16,255.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,591.20 : 29,399.40 = 10,832.40 : x
  2. Step 2: Convert to fraction form
    19,591.20/29,399.40 = 10,832.40/x
  3. Step 3: Cross multiply
    19,591.20x = 29,399.40 × 10,832.40
  4. Step 4: Simplify right side
    19,591.20x = 318,466,060.56
  5. Step 5: Solve for x
    x = 318,466,060.56/19,591.20
  6. Step 6: Final answer
    x = 16,255.57

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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.