Home / 18,261.96-27,381.42-7,726.56

Finding the Fourth Proportional to 18,261.96, 27,381.42 and 7,726.56

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Solution

The fourth proportional to 18,261.96, 27,381.42 and 7,726.56 is: 11,584.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,261.96 : 27,381.42 = 7,726.56 : x
  2. Step 2: Convert to fraction form
    18,261.96/27,381.42 = 7,726.56/x
  3. Step 3: Cross multiply
    18,261.96x = 27,381.42 × 7,726.56
  4. Step 4: Simplify right side
    18,261.96x = 211,564,184.52
  5. Step 5: Solve for x
    x = 211,564,184.52/18,261.96
  6. Step 6: Final answer
    x = 11,584.97

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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.