Home / 9,213.38-13,809.25-4,272.62

Finding the Fourth Proportional to 9,213.38, 13,809.25 and 4,272.62

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Solution

The fourth proportional to 9,213.38, 13,809.25 and 4,272.62 is: 6,403.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,213.38 : 13,809.25 = 4,272.62 : x
  2. Step 2: Convert to fraction form
    9,213.38/13,809.25 = 4,272.62/x
  3. Step 3: Cross multiply
    9,213.38x = 13,809.25 × 4,272.62
  4. Step 4: Simplify right side
    9,213.38x = 59,001,614.03
  5. Step 5: Solve for x
    x = 59,001,614.03/9,213.38
  6. Step 6: Final answer
    x = 6,403.91

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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.