Home / 21,736.62-32,591.81-11,862.18

Finding the Fourth Proportional to 21,736.62, 32,591.81 and 11,862.18

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Solution

The fourth proportional to 21,736.62, 32,591.81 and 11,862.18 is: 17,786.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,736.62 : 32,591.81 = 11,862.18 : x
  2. Step 2: Convert to fraction form
    21,736.62/32,591.81 = 11,862.18/x
  3. Step 3: Cross multiply
    21,736.62x = 32,591.81 × 11,862.18
  4. Step 4: Simplify right side
    21,736.62x = 386,609,916.75
  5. Step 5: Solve for x
    x = 386,609,916.75/21,736.62
  6. Step 6: Final answer
    x = 17,786.11

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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.