Home / 21,800.94-32,673.99-11,805.30

Finding the Fourth Proportional to 21,800.94, 32,673.99 and 11,805.30

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Solution

The fourth proportional to 21,800.94, 32,673.99 and 11,805.30 is: 17,693.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,800.94 : 32,673.99 = 11,805.30 : x
  2. Step 2: Convert to fraction form
    21,800.94/32,673.99 = 11,805.30/x
  3. Step 3: Cross multiply
    21,800.94x = 32,673.99 × 11,805.30
  4. Step 4: Simplify right side
    21,800.94x = 385,726,254.15
  5. Step 5: Solve for x
    x = 385,726,254.15/21,800.94
  6. Step 6: Final answer
    x = 17,693.10

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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.