Home / 20,233.64-30,350.10-7,750.28

Finding the Fourth Proportional to 20,233.64, 30,350.10 and 7,750.28

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Solution

The fourth proportional to 20,233.64, 30,350.10 and 7,750.28 is: 11,625.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,233.64 : 30,350.10 = 7,750.28 : x
  2. Step 2: Convert to fraction form
    20,233.64/30,350.10 = 7,750.28/x
  3. Step 3: Cross multiply
    20,233.64x = 30,350.10 × 7,750.28
  4. Step 4: Simplify right side
    20,233.64x = 235,221,773.03
  5. Step 5: Solve for x
    x = 235,221,773.03/20,233.64
  6. Step 6: Final answer
    x = 11,625.28

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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.