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Finding the Fourth Proportional to 18,053.79, 27,080.41 and 6,367.11

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Solution

The fourth proportional to 18,053.79, 27,080.41 and 6,367.11 is: 9,550.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,053.79 : 27,080.41 = 6,367.11 : x
  2. Step 2: Convert to fraction form
    18,053.79/27,080.41 = 6,367.11/x
  3. Step 3: Cross multiply
    18,053.79x = 27,080.41 × 6,367.11
  4. Step 4: Simplify right side
    18,053.79x = 172,423,949.32
  5. Step 5: Solve for x
    x = 172,423,949.32/18,053.79
  6. Step 6: Final answer
    x = 9,550.57

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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.