Home / 17,012.01-25,507.05-8,122.53

Finding the Fourth Proportional to 17,012.01, 25,507.05 and 8,122.53

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Solution

The fourth proportional to 17,012.01, 25,507.05 and 8,122.53 is: 12,178.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,012.01 : 25,507.05 = 8,122.53 : x
  2. Step 2: Convert to fraction form
    17,012.01/25,507.05 = 8,122.53/x
  3. Step 3: Cross multiply
    17,012.01x = 25,507.05 × 8,122.53
  4. Step 4: Simplify right side
    17,012.01x = 207,181,778.84
  5. Step 5: Solve for x
    x = 207,181,778.84/17,012.01
  6. Step 6: Final answer
    x = 12,178.56

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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.