Home / 17,815.20-26,732.99-6,721.44

Finding the Fourth Proportional to 17,815.20, 26,732.99 and 6,721.44

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Solution

The fourth proportional to 17,815.20, 26,732.99 and 6,721.44 is: 10,086.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,815.20 : 26,732.99 = 6,721.44 : x
  2. Step 2: Convert to fraction form
    17,815.20/26,732.99 = 6,721.44/x
  3. Step 3: Cross multiply
    17,815.20x = 26,732.99 × 6,721.44
  4. Step 4: Simplify right side
    17,815.20x = 179,684,188.31
  5. Step 5: Solve for x
    x = 179,684,188.31/17,815.20
  6. Step 6: Final answer
    x = 10,086.00

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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.