Home / 11,126.97-16,664.94-7,219.53

Finding the Fourth Proportional to 11,126.97, 16,664.94 and 7,219.53

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Solution

The fourth proportional to 11,126.97, 16,664.94 and 7,219.53 is: 10,812.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,126.97 : 16,664.94 = 7,219.53 : x
  2. Step 2: Convert to fraction form
    11,126.97/16,664.94 = 7,219.53/x
  3. Step 3: Cross multiply
    11,126.97x = 16,664.94 × 7,219.53
  4. Step 4: Simplify right side
    11,126.97x = 120,313,034.28
  5. Step 5: Solve for x
    x = 120,313,034.28/11,126.97
  6. Step 6: Final answer
    x = 10,812.74

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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.