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Finding the Fourth Proportional to 12,377.63, 17,081.19 and 7,344.38

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Solution

The fourth proportional to 12,377.63, 17,081.19 and 7,344.38 is: 10,135.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,377.63 : 17,081.19 = 7,344.38 : x
  2. Step 2: Convert to fraction form
    12,377.63/17,081.19 = 7,344.38/x
  3. Step 3: Cross multiply
    12,377.63x = 17,081.19 × 7,344.38
  4. Step 4: Simplify right side
    12,377.63x = 125,450,664.81
  5. Step 5: Solve for x
    x = 125,450,664.81/12,377.63
  6. Step 6: Final answer
    x = 10,135.28

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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.