Home / 21,661.56-32,502.67-11,800.62

Finding the Fourth Proportional to 21,661.56, 32,502.67 and 11,800.62

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Solution

The fourth proportional to 21,661.56, 32,502.67 and 11,800.62 is: 17,706.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,661.56 : 32,502.67 = 11,800.62 : x
  2. Step 2: Convert to fraction form
    21,661.56/32,502.67 = 11,800.62/x
  3. Step 3: Cross multiply
    21,661.56x = 32,502.67 × 11,800.62
  4. Step 4: Simplify right side
    21,661.56x = 383,551,657.66
  5. Step 5: Solve for x
    x = 383,551,657.66/21,661.56
  6. Step 6: Final answer
    x = 17,706.56

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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.