Home / 19,438.44-29,156.73-8,902.38

Finding the Fourth Proportional to 19,438.44, 29,156.73 and 8,902.38

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Solution

The fourth proportional to 19,438.44, 29,156.73 and 8,902.38 is: 13,353.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,438.44 : 29,156.73 = 8,902.38 : x
  2. Step 2: Convert to fraction form
    19,438.44/29,156.73 = 8,902.38/x
  3. Step 3: Cross multiply
    19,438.44x = 29,156.73 × 8,902.38
  4. Step 4: Simplify right side
    19,438.44x = 259,564,290.02
  5. Step 5: Solve for x
    x = 259,564,290.02/19,438.44
  6. Step 6: Final answer
    x = 13,353.14

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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.