Home / 10,200.38-15,302.73-3,279.74

Finding the Fourth Proportional to 10,200.38, 15,302.73 and 3,279.74

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Solution

The fourth proportional to 10,200.38, 15,302.73 and 3,279.74 is: 4,920.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,200.38 : 15,302.73 = 3,279.74 : x
  2. Step 2: Convert to fraction form
    10,200.38/15,302.73 = 3,279.74/x
  3. Step 3: Cross multiply
    10,200.38x = 15,302.73 × 3,279.74
  4. Step 4: Simplify right side
    10,200.38x = 50,188,975.69
  5. Step 5: Solve for x
    x = 50,188,975.69/10,200.38
  6. Step 6: Final answer
    x = 4,920.30

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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.