Home / 10,012.88-15,028.40-5,336.82

Finding the Fourth Proportional to 10,012.88, 15,028.40 and 5,336.82

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Solution

The fourth proportional to 10,012.88, 15,028.40 and 5,336.82 is: 8,010.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,012.88 : 15,028.40 = 5,336.82 : x
  2. Step 2: Convert to fraction form
    10,012.88/15,028.40 = 5,336.82/x
  3. Step 3: Cross multiply
    10,012.88x = 15,028.40 × 5,336.82
  4. Step 4: Simplify right side
    10,012.88x = 80,203,879.03
  5. Step 5: Solve for x
    x = 80,203,879.03/10,012.88
  6. Step 6: Final answer
    x = 8,010.07

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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.