Home / 20,233.67-30,350.78-7,754.33

Finding the Fourth Proportional to 20,233.67, 30,350.78 and 7,754.33

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Solution

The fourth proportional to 20,233.67, 30,350.78 and 7,754.33 is: 11,631.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,233.67 : 30,350.78 = 7,754.33 : x
  2. Step 2: Convert to fraction form
    20,233.67/30,350.78 = 7,754.33/x
  3. Step 3: Cross multiply
    20,233.67x = 30,350.78 × 7,754.33
  4. Step 4: Simplify right side
    20,233.67x = 235,349,963.88
  5. Step 5: Solve for x
    x = 235,349,963.88/20,233.67
  6. Step 6: Final answer
    x = 11,631.60

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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.