Home / 12,736.12-17,589.18-8,767.48

Finding the Fourth Proportional to 12,736.12, 17,589.18 and 8,767.48

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Solution

The fourth proportional to 12,736.12, 17,589.18 and 8,767.48 is: 12,108.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,736.12 : 17,589.18 = 8,767.48 : x
  2. Step 2: Convert to fraction form
    12,736.12/17,589.18 = 8,767.48/x
  3. Step 3: Cross multiply
    12,736.12x = 17,589.18 × 8,767.48
  4. Step 4: Simplify right side
    12,736.12x = 154,212,783.87
  5. Step 5: Solve for x
    x = 154,212,783.87/12,736.12
  6. Step 6: Final answer
    x = 12,108.30

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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.