Home / 20,233.28-30,354.43-6,195.28

Finding the Fourth Proportional to 20,233.28, 30,354.43 and 6,195.28

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Solution

The fourth proportional to 20,233.28, 30,354.43 and 6,195.28 is: 9,294.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,233.28 : 30,354.43 = 6,195.28 : x
  2. Step 2: Convert to fraction form
    20,233.28/30,354.43 = 6,195.28/x
  3. Step 3: Cross multiply
    20,233.28x = 30,354.43 × 6,195.28
  4. Step 4: Simplify right side
    20,233.28x = 188,054,041.32
  5. Step 5: Solve for x
    x = 188,054,041.32/20,233.28
  6. Step 6: Final answer
    x = 9,294.29

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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.