Home / 11,949.21-17,920.22-5,706

Finding the Fourth Proportional to 11,949.21, 17,920.22 and 5,706

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Solution

The fourth proportional to 11,949.21, 17,920.22 and 5,706 is: 8,557.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,949.21 : 17,920.22 = 5,706 : x
  2. Step 2: Convert to fraction form
    11,949.21/17,920.22 = 5,706/x
  3. Step 3: Cross multiply
    11,949.21x = 17,920.22 × 5,706
  4. Step 4: Simplify right side
    11,949.21x = 102,252,746.79
  5. Step 5: Solve for x
    x = 102,252,746.79/11,949.21
  6. Step 6: Final answer
    x = 8,557.28

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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.