Home / 19,489.83-29,223.04-8,946.66

Finding the Fourth Proportional to 19,489.83, 29,223.04 and 8,946.66

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Solution

The fourth proportional to 19,489.83, 29,223.04 and 8,946.66 is: 13,414.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,489.83 : 29,223.04 = 8,946.66 : x
  2. Step 2: Convert to fraction form
    19,489.83/29,223.04 = 8,946.66/x
  3. Step 3: Cross multiply
    19,489.83x = 29,223.04 × 8,946.66
  4. Step 4: Simplify right side
    19,489.83x = 261,448,603.05
  5. Step 5: Solve for x
    x = 261,448,603.05/19,489.83
  6. Step 6: Final answer
    x = 13,414.62

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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.