Home / 9,171.78-13,755.04-3,548.14

Finding the Fourth Proportional to 9,171.78, 13,755.04 and 3,548.14

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Solution

The fourth proportional to 9,171.78, 13,755.04 and 3,548.14 is: 5,321.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,171.78 : 13,755.04 = 3,548.14 : x
  2. Step 2: Convert to fraction form
    9,171.78/13,755.04 = 3,548.14/x
  3. Step 3: Cross multiply
    9,171.78x = 13,755.04 × 3,548.14
  4. Step 4: Simplify right side
    9,171.78x = 48,804,807.63
  5. Step 5: Solve for x
    x = 48,804,807.63/9,171.78
  6. Step 6: Final answer
    x = 5,321.19

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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.