Home / 17,930.25-26,899.70-5,618.25

Finding the Fourth Proportional to 17,930.25, 26,899.70 and 5,618.25

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Solution

The fourth proportional to 17,930.25, 26,899.70 and 5,618.25 is: 8,428.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,930.25 : 26,899.70 = 5,618.25 : x
  2. Step 2: Convert to fraction form
    17,930.25/26,899.70 = 5,618.25/x
  3. Step 3: Cross multiply
    17,930.25x = 26,899.70 × 5,618.25
  4. Step 4: Simplify right side
    17,930.25x = 151,129,211.43
  5. Step 5: Solve for x
    x = 151,129,211.43/17,930.25
  6. Step 6: Final answer
    x = 8,428.73

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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.