Home / 11,755.49-17,637.82-5,177.05

Finding the Fourth Proportional to 11,755.49, 17,637.82 and 5,177.05

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Solution

The fourth proportional to 11,755.49, 17,637.82 and 5,177.05 is: 7,767.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,755.49 : 17,637.82 = 5,177.05 : x
  2. Step 2: Convert to fraction form
    11,755.49/17,637.82 = 5,177.05/x
  3. Step 3: Cross multiply
    11,755.49x = 17,637.82 × 5,177.05
  4. Step 4: Simplify right side
    11,755.49x = 91,311,818.99
  5. Step 5: Solve for x
    x = 91,311,818.99/11,755.49
  6. Step 6: Final answer
    x = 7,767.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.