Home / 17,157.20-25,701.84-13,442.12

Finding the Fourth Proportional to 17,157.20, 25,701.84 and 13,442.12

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Solution

The fourth proportional to 17,157.20, 25,701.84 and 13,442.12 is: 20,136.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,157.20 : 25,701.84 = 13,442.12 : x
  2. Step 2: Convert to fraction form
    17,157.20/25,701.84 = 13,442.12/x
  3. Step 3: Cross multiply
    17,157.20x = 25,701.84 × 13,442.12
  4. Step 4: Simplify right side
    17,157.20x = 345,487,217.50
  5. Step 5: Solve for x
    x = 345,487,217.50/17,157.20
  6. Step 6: Final answer
    x = 20,136.57

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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.