Home / 12,141.24-16,755.36-6,764.16

Finding the Fourth Proportional to 12,141.24, 16,755.36 and 6,764.16

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Solution

The fourth proportional to 12,141.24, 16,755.36 and 6,764.16 is: 9,334.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,141.24 : 16,755.36 = 6,764.16 : x
  2. Step 2: Convert to fraction form
    12,141.24/16,755.36 = 6,764.16/x
  3. Step 3: Cross multiply
    12,141.24x = 16,755.36 × 6,764.16
  4. Step 4: Simplify right side
    12,141.24x = 113,335,935.90
  5. Step 5: Solve for x
    x = 113,335,935.90/12,141.24
  6. Step 6: Final answer
    x = 9,334.79

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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.