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Finding the Fourth Proportional to 9,256.68, 13,949.42 and 8,379.45

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Solution

The fourth proportional to 9,256.68, 13,949.42 and 8,379.45 is: 12,627.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,256.68 : 13,949.42 = 8,379.45 : x
  2. Step 2: Convert to fraction form
    9,256.68/13,949.42 = 8,379.45/x
  3. Step 3: Cross multiply
    9,256.68x = 13,949.42 × 8,379.45
  4. Step 4: Simplify right side
    9,256.68x = 116,888,425.52
  5. Step 5: Solve for x
    x = 116,888,425.52/9,256.68
  6. Step 6: Final answer
    x = 12,627.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.