Home / 17,618.75-26,428.13-5,306.75

Finding the Fourth Proportional to 17,618.75, 26,428.13 and 5,306.75

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Solution

The fourth proportional to 17,618.75, 26,428.13 and 5,306.75 is: 7,960.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,618.75 : 26,428.13 = 5,306.75 : x
  2. Step 2: Convert to fraction form
    17,618.75/26,428.13 = 5,306.75/x
  3. Step 3: Cross multiply
    17,618.75x = 26,428.13 × 5,306.75
  4. Step 4: Simplify right side
    17,618.75x = 140,247,478.88
  5. Step 5: Solve for x
    x = 140,247,478.88/17,618.75
  6. Step 6: Final answer
    x = 7,960.13

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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.