Home / 12,755.17-17,558.46-11,066.65

Finding the Fourth Proportional to 12,755.17, 17,558.46 and 11,066.65

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Solution

The fourth proportional to 12,755.17, 17,558.46 and 11,066.65 is: 15,234.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,755.17 : 17,558.46 = 11,066.65 : x
  2. Step 2: Convert to fraction form
    12,755.17/17,558.46 = 11,066.65/x
  3. Step 3: Cross multiply
    12,755.17x = 17,558.46 × 11,066.65
  4. Step 4: Simplify right side
    12,755.17x = 194,313,331.36
  5. Step 5: Solve for x
    x = 194,313,331.36/12,755.17
  6. Step 6: Final answer
    x = 15,234.08

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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.