Home / 11,707.22-17,557.17-3,914.21

Finding the Fourth Proportional to 11,707.22, 17,557.17 and 3,914.21

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Solution

The fourth proportional to 11,707.22, 17,557.17 and 3,914.21 is: 5,870.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,707.22 : 17,557.17 = 3,914.21 : x
  2. Step 2: Convert to fraction form
    11,707.22/17,557.17 = 3,914.21/x
  3. Step 3: Cross multiply
    11,707.22x = 17,557.17 × 3,914.21
  4. Step 4: Simplify right side
    11,707.22x = 68,722,362.60
  5. Step 5: Solve for x
    x = 68,722,362.60/11,707.22
  6. Step 6: Final answer
    x = 5,870.09

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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.