Home / 14,352.43-21,519.82-4,990.27

Finding the Fourth Proportional to 14,352.43, 21,519.82 and 4,990.27

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Solution

The fourth proportional to 14,352.43, 21,519.82 and 4,990.27 is: 7,482.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,352.43 : 21,519.82 = 4,990.27 : x
  2. Step 2: Convert to fraction form
    14,352.43/21,519.82 = 4,990.27/x
  3. Step 3: Cross multiply
    14,352.43x = 21,519.82 × 4,990.27
  4. Step 4: Simplify right side
    14,352.43x = 107,389,712.15
  5. Step 5: Solve for x
    x = 107,389,712.15/14,352.43
  6. Step 6: Final answer
    x = 7,482.34

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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.