Home / 11,622.39-16,034.45-7,144.71

Finding the Fourth Proportional to 11,622.39, 16,034.45 and 7,144.71

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Solution

The fourth proportional to 11,622.39, 16,034.45 and 7,144.71 is: 9,856.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,622.39 : 16,034.45 = 7,144.71 : x
  2. Step 2: Convert to fraction form
    11,622.39/16,034.45 = 7,144.71/x
  3. Step 3: Cross multiply
    11,622.39x = 16,034.45 × 7,144.71
  4. Step 4: Simplify right side
    11,622.39x = 114,561,495.26
  5. Step 5: Solve for x
    x = 114,561,495.26/11,622.39
  6. Step 6: Final answer
    x = 9,856.97

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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.