Home / 17,214.30-23,695.20-15,084.78

Finding the Fourth Proportional to 17,214.30, 23,695.20 and 15,084.78

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Solution

The fourth proportional to 17,214.30, 23,695.20 and 15,084.78 is: 20,763.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,214.30 : 23,695.20 = 15,084.78 : x
  2. Step 2: Convert to fraction form
    17,214.30/23,695.20 = 15,084.78/x
  3. Step 3: Cross multiply
    17,214.30x = 23,695.20 × 15,084.78
  4. Step 4: Simplify right side
    17,214.30x = 357,436,879.06
  5. Step 5: Solve for x
    x = 357,436,879.06/17,214.30
  6. Step 6: Final answer
    x = 20,763.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.