Home / 14,204.80-21,306.48-3,816.64

Finding the Fourth Proportional to 14,204.80, 21,306.48 and 3,816.64

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Solution

The fourth proportional to 14,204.80, 21,306.48 and 3,816.64 is: 5,724.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,204.80 : 21,306.48 = 3,816.64 : x
  2. Step 2: Convert to fraction form
    14,204.80/21,306.48 = 3,816.64/x
  3. Step 3: Cross multiply
    14,204.80x = 21,306.48 × 3,816.64
  4. Step 4: Simplify right side
    14,204.80x = 81,319,163.83
  5. Step 5: Solve for x
    x = 81,319,163.83/14,204.80
  6. Step 6: Final answer
    x = 5,724.77

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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.