Home / 11,329.19-17,022.48-7,171.14

Finding the Fourth Proportional to 11,329.19, 17,022.48 and 7,171.14

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Solution

The fourth proportional to 11,329.19, 17,022.48 and 7,171.14 is: 10,774.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,329.19 : 17,022.48 = 7,171.14 : x
  2. Step 2: Convert to fraction form
    11,329.19/17,022.48 = 7,171.14/x
  3. Step 3: Cross multiply
    11,329.19x = 17,022.48 × 7,171.14
  4. Step 4: Simplify right side
    11,329.19x = 122,070,587.23
  5. Step 5: Solve for x
    x = 122,070,587.23/11,329.19
  6. Step 6: Final answer
    x = 10,774.87

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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.