Home / 18,266.06-27,400.66-6,418.80

Finding the Fourth Proportional to 18,266.06, 27,400.66 and 6,418.80

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Solution

The fourth proportional to 18,266.06, 27,400.66 and 6,418.80 is: 9,628.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,266.06 : 27,400.66 = 6,418.80 : x
  2. Step 2: Convert to fraction form
    18,266.06/27,400.66 = 6,418.80/x
  3. Step 3: Cross multiply
    18,266.06x = 27,400.66 × 6,418.80
  4. Step 4: Simplify right side
    18,266.06x = 175,879,356.41
  5. Step 5: Solve for x
    x = 175,879,356.41/18,266.06
  6. Step 6: Final answer
    x = 9,628.75

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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.