Home / 11,087.78-15,195.28-10,713.56

Finding the Fourth Proportional to 11,087.78, 15,195.28 and 10,713.56

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Solution

The fourth proportional to 11,087.78, 15,195.28 and 10,713.56 is: 14,682.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,087.78 : 15,195.28 = 10,713.56 : x
  2. Step 2: Convert to fraction form
    11,087.78/15,195.28 = 10,713.56/x
  3. Step 3: Cross multiply
    11,087.78x = 15,195.28 × 10,713.56
  4. Step 4: Simplify right side
    11,087.78x = 162,795,544.00
  5. Step 5: Solve for x
    x = 162,795,544.00/11,087.78
  6. Step 6: Final answer
    x = 14,682.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.