Home / 18,308.25-27,446.09-6,618.87

Finding the Fourth Proportional to 18,308.25, 27,446.09 and 6,618.87

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Solution

The fourth proportional to 18,308.25, 27,446.09 and 6,618.87 is: 9,922.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,308.25 : 27,446.09 = 6,618.87 : x
  2. Step 2: Convert to fraction form
    18,308.25/27,446.09 = 6,618.87/x
  3. Step 3: Cross multiply
    18,308.25x = 27,446.09 × 6,618.87
  4. Step 4: Simplify right side
    18,308.25x = 181,662,068.62
  5. Step 5: Solve for x
    x = 181,662,068.62/18,308.25
  6. Step 6: Final answer
    x = 9,922.42

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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.