Home / 18,670.26-28,005.76-5,522.62

Finding the Fourth Proportional to 18,670.26, 28,005.76 and 5,522.62

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Solution

The fourth proportional to 18,670.26, 28,005.76 and 5,522.62 is: 8,284.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,670.26 : 28,005.76 = 5,522.62 : x
  2. Step 2: Convert to fraction form
    18,670.26/28,005.76 = 5,522.62/x
  3. Step 3: Cross multiply
    18,670.26x = 28,005.76 × 5,522.62
  4. Step 4: Simplify right side
    18,670.26x = 154,665,170.29
  5. Step 5: Solve for x
    x = 154,665,170.29/18,670.26
  6. Step 6: Final answer
    x = 8,284.04

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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.