Home / 14,310.36-21,463.02-3,919.32

Finding the Fourth Proportional to 14,310.36, 21,463.02 and 3,919.32

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Solution

The fourth proportional to 14,310.36, 21,463.02 and 3,919.32 is: 5,878.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,310.36 : 21,463.02 = 3,919.32 : x
  2. Step 2: Convert to fraction form
    14,310.36/21,463.02 = 3,919.32/x
  3. Step 3: Cross multiply
    14,310.36x = 21,463.02 × 3,919.32
  4. Step 4: Simplify right side
    14,310.36x = 84,120,443.55
  5. Step 5: Solve for x
    x = 84,120,443.55/14,310.36
  6. Step 6: Final answer
    x = 5,878.29

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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.