Home / 19,912.04-29,881.62-8,225.18

Finding the Fourth Proportional to 19,912.04, 29,881.62 and 8,225.18

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Solution

The fourth proportional to 19,912.04, 29,881.62 and 8,225.18 is: 12,343.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,912.04 : 29,881.62 = 8,225.18 : x
  2. Step 2: Convert to fraction form
    19,912.04/29,881.62 = 8,225.18/x
  3. Step 3: Cross multiply
    19,912.04x = 29,881.62 × 8,225.18
  4. Step 4: Simplify right side
    19,912.04x = 245,781,553.78
  5. Step 5: Solve for x
    x = 245,781,553.78/19,912.04
  6. Step 6: Final answer
    x = 12,343.37

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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.