Home / 18,273.30-27,418.41-9,943.39

Finding the Fourth Proportional to 18,273.30, 27,418.41 and 9,943.39

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Solution

The fourth proportional to 18,273.30, 27,418.41 and 9,943.39 is: 14,919.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,273.30 : 27,418.41 = 9,943.39 : x
  2. Step 2: Convert to fraction form
    18,273.30/27,418.41 = 9,943.39/x
  3. Step 3: Cross multiply
    18,273.30x = 27,418.41 × 9,943.39
  4. Step 4: Simplify right side
    18,273.30x = 272,631,943.81
  5. Step 5: Solve for x
    x = 272,631,943.81/18,273.30
  6. Step 6: Final answer
    x = 14,919.69

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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.