Home / 18,456.22-27,677.51-6,606.78

Finding the Fourth Proportional to 18,456.22, 27,677.51 and 6,606.78

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Solution

The fourth proportional to 18,456.22, 27,677.51 and 6,606.78 is: 9,907.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,456.22 : 27,677.51 = 6,606.78 : x
  2. Step 2: Convert to fraction form
    18,456.22/27,677.51 = 6,606.78/x
  3. Step 3: Cross multiply
    18,456.22x = 27,677.51 × 6,606.78
  4. Step 4: Simplify right side
    18,456.22x = 182,859,186.48
  5. Step 5: Solve for x
    x = 182,859,186.48/18,456.22
  6. Step 6: Final answer
    x = 9,907.73

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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.