Home / 14,118.77-19,481.88-8,452.16

Finding the Fourth Proportional to 14,118.77, 19,481.88 and 8,452.16

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Solution

The fourth proportional to 14,118.77, 19,481.88 and 8,452.16 is: 11,662.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,118.77 : 19,481.88 = 8,452.16 : x
  2. Step 2: Convert to fraction form
    14,118.77/19,481.88 = 8,452.16/x
  3. Step 3: Cross multiply
    14,118.77x = 19,481.88 × 8,452.16
  4. Step 4: Simplify right side
    14,118.77x = 164,664,083.79
  5. Step 5: Solve for x
    x = 164,664,083.79/14,118.77
  6. Step 6: Final answer
    x = 11,662.78

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1.5x scale

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.