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Finding the Fourth Proportional to 17,253.78, 25,886.14 and 6,160.22

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Solution

The fourth proportional to 17,253.78, 25,886.14 and 6,160.22 is: 9,242.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,253.78 : 25,886.14 = 6,160.22 : x
  2. Step 2: Convert to fraction form
    17,253.78/25,886.14 = 6,160.22/x
  3. Step 3: Cross multiply
    17,253.78x = 25,886.14 × 6,160.22
  4. Step 4: Simplify right side
    17,253.78x = 159,464,286.55
  5. Step 5: Solve for x
    x = 159,464,286.55/17,253.78
  6. Step 6: Final answer
    x = 9,242.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.