Home / 10,235.06-15,351.89-3,993.90

Finding the Fourth Proportional to 10,235.06, 15,351.89 and 3,993.90

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Solution

The fourth proportional to 10,235.06, 15,351.89 and 3,993.90 is: 5,990.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,235.06 : 15,351.89 = 3,993.90 : x
  2. Step 2: Convert to fraction form
    10,235.06/15,351.89 = 3,993.90/x
  3. Step 3: Cross multiply
    10,235.06x = 15,351.89 × 3,993.90
  4. Step 4: Simplify right side
    10,235.06x = 61,313,893.50
  5. Step 5: Solve for x
    x = 61,313,893.50/10,235.06
  6. Step 6: Final answer
    x = 5,990.58

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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.