Home / 11,680.38-17,522.88-4,284.90

Finding the Fourth Proportional to 11,680.38, 17,522.88 and 4,284.90

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Solution

The fourth proportional to 11,680.38, 17,522.88 and 4,284.90 is: 6,428.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,680.38 : 17,522.88 = 4,284.90 : x
  2. Step 2: Convert to fraction form
    11,680.38/17,522.88 = 4,284.90/x
  3. Step 3: Cross multiply
    11,680.38x = 17,522.88 × 4,284.90
  4. Step 4: Simplify right side
    11,680.38x = 75,083,767.09
  5. Step 5: Solve for x
    x = 75,083,767.09/11,680.38
  6. Step 6: Final answer
    x = 6,428.20

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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.