Home / 10,204.30-15,302.85-3,630.70

Finding the Fourth Proportional to 10,204.30, 15,302.85 and 3,630.70

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Solution

The fourth proportional to 10,204.30, 15,302.85 and 3,630.70 is: 5,444.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,204.30 : 15,302.85 = 3,630.70 : x
  2. Step 2: Convert to fraction form
    10,204.30/15,302.85 = 3,630.70/x
  3. Step 3: Cross multiply
    10,204.30x = 15,302.85 × 3,630.70
  4. Step 4: Simplify right side
    10,204.30x = 55,560,057.50
  5. Step 5: Solve for x
    x = 55,560,057.50/10,204.30
  6. Step 6: Final answer
    x = 5,444.77

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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.