Home / 17,161.30-25,709.55-8,812.90

Finding the Fourth Proportional to 17,161.30, 25,709.55 and 8,812.90

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Solution

The fourth proportional to 17,161.30, 25,709.55 and 8,812.90 is: 13,202.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,161.30 : 25,709.55 = 8,812.90 : x
  2. Step 2: Convert to fraction form
    17,161.30/25,709.55 = 8,812.90/x
  3. Step 3: Cross multiply
    17,161.30x = 25,709.55 × 8,812.90
  4. Step 4: Simplify right side
    17,161.30x = 226,575,693.20
  5. Step 5: Solve for x
    x = 226,575,693.20/17,161.30
  6. Step 6: Final answer
    x = 13,202.71

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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.