Home / 11,126.88-15,290.82-10,612.92

Finding the Fourth Proportional to 11,126.88, 15,290.82 and 10,612.92

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Solution

The fourth proportional to 11,126.88, 15,290.82 and 10,612.92 is: 14,584.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,126.88 : 15,290.82 = 10,612.92 : x
  2. Step 2: Convert to fraction form
    11,126.88/15,290.82 = 10,612.92/x
  3. Step 3: Cross multiply
    11,126.88x = 15,290.82 × 10,612.92
  4. Step 4: Simplify right side
    11,126.88x = 162,280,249.39
  5. Step 5: Solve for x
    x = 162,280,249.39/11,126.88
  6. Step 6: Final answer
    x = 14,584.52

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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.