Home / 18,456.84-27,682.26-5,306.22

Finding the Fourth Proportional to 18,456.84, 27,682.26 and 5,306.22

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Solution

The fourth proportional to 18,456.84, 27,682.26 and 5,306.22 is: 7,958.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,456.84 : 27,682.26 = 5,306.22 : x
  2. Step 2: Convert to fraction form
    18,456.84/27,682.26 = 5,306.22/x
  3. Step 3: Cross multiply
    18,456.84x = 27,682.26 × 5,306.22
  4. Step 4: Simplify right side
    18,456.84x = 146,888,161.66
  5. Step 5: Solve for x
    x = 146,888,161.66/18,456.84
  6. Step 6: Final answer
    x = 7,958.47

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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.