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Finding the Fourth Proportional to 17,340.78, 23,930.28 and 9,382.98

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Solution

The fourth proportional to 17,340.78, 23,930.28 and 9,382.98 is: 12,948.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,340.78 : 23,930.28 = 9,382.98 : x
  2. Step 2: Convert to fraction form
    17,340.78/23,930.28 = 9,382.98/x
  3. Step 3: Cross multiply
    17,340.78x = 23,930.28 × 9,382.98
  4. Step 4: Simplify right side
    17,340.78x = 224,537,338.63
  5. Step 5: Solve for x
    x = 224,537,338.63/17,340.78
  6. Step 6: Final answer
    x = 12,948.51

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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.