Home / 17,145.90-25,687.01-8,830.96

Finding the Fourth Proportional to 17,145.90, 25,687.01 and 8,830.96

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Solution

The fourth proportional to 17,145.90, 25,687.01 and 8,830.96 is: 13,230.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,145.90 : 25,687.01 = 8,830.96 : x
  2. Step 2: Convert to fraction form
    17,145.90/25,687.01 = 8,830.96/x
  3. Step 3: Cross multiply
    17,145.90x = 25,687.01 × 8,830.96
  4. Step 4: Simplify right side
    17,145.90x = 226,840,915.69
  5. Step 5: Solve for x
    x = 226,840,915.69/17,145.90
  6. Step 6: Final answer
    x = 13,230.04

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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.