Home / 11,644.80-16,069.68-6,339.48

Finding the Fourth Proportional to 11,644.80, 16,069.68 and 6,339.48

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Solution

The fourth proportional to 11,644.80, 16,069.68 and 6,339.48 is: 8,748.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,644.80 : 16,069.68 = 6,339.48 : x
  2. Step 2: Convert to fraction form
    11,644.80/16,069.68 = 6,339.48/x
  3. Step 3: Cross multiply
    11,644.80x = 16,069.68 × 6,339.48
  4. Step 4: Simplify right side
    11,644.80x = 101,873,414.97
  5. Step 5: Solve for x
    x = 101,873,414.97/11,644.80
  6. Step 6: Final answer
    x = 8,748.40

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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.