Home / 14,266.38-21,399.51-3,878.10

Finding the Fourth Proportional to 14,266.38, 21,399.51 and 3,878.10

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Solution

The fourth proportional to 14,266.38, 21,399.51 and 3,878.10 is: 5,817.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,266.38 : 21,399.51 = 3,878.10 : x
  2. Step 2: Convert to fraction form
    14,266.38/21,399.51 = 3,878.10/x
  3. Step 3: Cross multiply
    14,266.38x = 21,399.51 × 3,878.10
  4. Step 4: Simplify right side
    14,266.38x = 82,989,439.73
  5. Step 5: Solve for x
    x = 82,989,439.73/14,266.38
  6. Step 6: Final answer
    x = 5,817.13

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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.