Home / 20,233.32-30,354.03-7,752.84

Finding the Fourth Proportional to 20,233.32, 30,354.03 and 7,752.84

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Solution

The fourth proportional to 20,233.32, 30,354.03 and 7,752.84 is: 11,630.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,233.32 : 30,354.03 = 7,752.84 : x
  2. Step 2: Convert to fraction form
    20,233.32/30,354.03 = 7,752.84/x
  3. Step 3: Cross multiply
    20,233.32x = 30,354.03 × 7,752.84
  4. Step 4: Simplify right side
    20,233.32x = 235,329,937.95
  5. Step 5: Solve for x
    x = 235,329,937.95/20,233.32
  6. Step 6: Final answer
    x = 11,630.81

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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.