Home / 11,345.39-17,015.01-7,179.14

Finding the Fourth Proportional to 11,345.39, 17,015.01 and 7,179.14

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Solution

The fourth proportional to 11,345.39, 17,015.01 and 7,179.14 is: 10,766.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,345.39 : 17,015.01 = 7,179.14 : x
  2. Step 2: Convert to fraction form
    11,345.39/17,015.01 = 7,179.14/x
  3. Step 3: Cross multiply
    11,345.39x = 17,015.01 × 7,179.14
  4. Step 4: Simplify right side
    11,345.39x = 122,153,138.89
  5. Step 5: Solve for x
    x = 122,153,138.89/11,345.39
  6. Step 6: Final answer
    x = 10,766.76

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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.