Home / 15,010.82-20,716.00-8,296.30

Finding the Fourth Proportional to 15,010.82, 20,716.00 and 8,296.30

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Solution

The fourth proportional to 15,010.82, 20,716.00 and 8,296.30 is: 11,449.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,010.82 : 20,716.00 = 8,296.30 : x
  2. Step 2: Convert to fraction form
    15,010.82/20,716.00 = 8,296.30/x
  3. Step 3: Cross multiply
    15,010.82x = 20,716.00 × 8,296.30
  4. Step 4: Simplify right side
    15,010.82x = 171,866,073.08
  5. Step 5: Solve for x
    x = 171,866,073.08/15,010.82
  6. Step 6: Final answer
    x = 11,449.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.