Home / 12,144.48-16,759.30-6,767.15

Finding the Fourth Proportional to 12,144.48, 16,759.30 and 6,767.15

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Solution

The fourth proportional to 12,144.48, 16,759.30 and 6,767.15 is: 9,338.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,144.48 : 16,759.30 = 6,767.15 : x
  2. Step 2: Convert to fraction form
    12,144.48/16,759.30 = 6,767.15/x
  3. Step 3: Cross multiply
    12,144.48x = 16,759.30 × 6,767.15
  4. Step 4: Simplify right side
    12,144.48x = 113,412,697.00
  5. Step 5: Solve for x
    x = 113,412,697.00/12,144.48
  6. Step 6: Final answer
    x = 9,338.62

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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.