Home / 14,249.57-21,374.37-3,719.57

Finding the Fourth Proportional to 14,249.57, 21,374.37 and 3,719.57

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Solution

The fourth proportional to 14,249.57, 21,374.37 and 3,719.57 is: 5,579.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,249.57 : 21,374.37 = 3,719.57 : x
  2. Step 2: Convert to fraction form
    14,249.57/21,374.37 = 3,719.57/x
  3. Step 3: Cross multiply
    14,249.57x = 21,374.37 × 3,719.57
  4. Step 4: Simplify right side
    14,249.57x = 79,503,344.60
  5. Step 5: Solve for x
    x = 79,503,344.60/14,249.57
  6. Step 6: Final answer
    x = 5,579.35

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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.