Home / 20,233.70-30,334.35-8,537.30

Finding the Fourth Proportional to 20,233.70, 30,334.35 and 8,537.30

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Solution

The fourth proportional to 20,233.70, 30,334.35 and 8,537.30 is: 12,799.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,233.70 : 30,334.35 = 8,537.30 : x
  2. Step 2: Convert to fraction form
    20,233.70/30,334.35 = 8,537.30/x
  3. Step 3: Cross multiply
    20,233.70x = 30,334.35 × 8,537.30
  4. Step 4: Simplify right side
    20,233.70x = 258,973,446.26
  5. Step 5: Solve for x
    x = 258,973,446.26/20,233.70
  6. Step 6: Final answer
    x = 12,799.11

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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.