Home / 9,664.22-13,336.16-5,414.76

Finding the Fourth Proportional to 9,664.22, 13,336.16 and 5,414.76

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Solution

The fourth proportional to 9,664.22, 13,336.16 and 5,414.76 is: 7,472.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,664.22 : 13,336.16 = 5,414.76 : x
  2. Step 2: Convert to fraction form
    9,664.22/13,336.16 = 5,414.76/x
  3. Step 3: Cross multiply
    9,664.22x = 13,336.16 × 5,414.76
  4. Step 4: Simplify right side
    9,664.22x = 72,212,078.65
  5. Step 5: Solve for x
    x = 72,212,078.65/9,664.22
  6. Step 6: Final answer
    x = 7,472.11

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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.