Home / 15,839.33-21,857.19-8,766.01

Finding the Fourth Proportional to 15,839.33, 21,857.19 and 8,766.01

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Solution

The fourth proportional to 15,839.33, 21,857.19 and 8,766.01 is: 12,096.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,839.33 : 21,857.19 = 8,766.01 : x
  2. Step 2: Convert to fraction form
    15,839.33/21,857.19 = 8,766.01/x
  3. Step 3: Cross multiply
    15,839.33x = 21,857.19 × 8,766.01
  4. Step 4: Simplify right side
    15,839.33x = 191,600,346.11
  5. Step 5: Solve for x
    x = 191,600,346.11/15,839.33
  6. Step 6: Final answer
    x = 12,096.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.