Home / 14,266.13-21,399.19-3,877.88

Finding the Fourth Proportional to 14,266.13, 21,399.19 and 3,877.88

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Solution

The fourth proportional to 14,266.13, 21,399.19 and 3,877.88 is: 5,816.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,266.13 : 21,399.19 = 3,877.88 : x
  2. Step 2: Convert to fraction form
    14,266.13/21,399.19 = 3,877.88/x
  3. Step 3: Cross multiply
    14,266.13x = 21,399.19 × 3,877.88
  4. Step 4: Simplify right side
    14,266.13x = 82,983,374.23
  5. Step 5: Solve for x
    x = 82,983,374.23/14,266.13
  6. Step 6: Final answer
    x = 5,816.81

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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.