Home / 13,818.33-20,719.80-9,441.09

Finding the Fourth Proportional to 13,818.33, 20,719.80 and 9,441.09

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Solution

The fourth proportional to 13,818.33, 20,719.80 and 9,441.09 is: 14,156.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818.33 : 20,719.80 = 9,441.09 : x
  2. Step 2: Convert to fraction form
    13,818.33/20,719.80 = 9,441.09/x
  3. Step 3: Cross multiply
    13,818.33x = 20,719.80 × 9,441.09
  4. Step 4: Simplify right side
    13,818.33x = 195,617,496.58
  5. Step 5: Solve for x
    x = 195,617,496.58/13,818.33
  6. Step 6: Final answer
    x = 14,156.38

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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.