Home / 14,418.42-19,898.82-8,751.87

Finding the Fourth Proportional to 14,418.42, 19,898.82 and 8,751.87

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Solution

The fourth proportional to 14,418.42, 19,898.82 and 8,751.87 is: 12,078.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,418.42 : 19,898.82 = 8,751.87 : x
  2. Step 2: Convert to fraction form
    14,418.42/19,898.82 = 8,751.87/x
  3. Step 3: Cross multiply
    14,418.42x = 19,898.82 × 8,751.87
  4. Step 4: Simplify right side
    14,418.42x = 174,151,742.54
  5. Step 5: Solve for x
    x = 174,151,742.54/14,418.42
  6. Step 6: Final answer
    x = 12,078.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.