Home / 14,638.75-21,960.90-5,874.36

Finding the Fourth Proportional to 14,638.75, 21,960.90 and 5,874.36

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Solution

The fourth proportional to 14,638.75, 21,960.90 and 5,874.36 is: 8,812.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,638.75 : 21,960.90 = 5,874.36 : x
  2. Step 2: Convert to fraction form
    14,638.75/21,960.90 = 5,874.36/x
  3. Step 3: Cross multiply
    14,638.75x = 21,960.90 × 5,874.36
  4. Step 4: Simplify right side
    14,638.75x = 129,006,122.72
  5. Step 5: Solve for x
    x = 129,006,122.72/14,638.75
  6. Step 6: Final answer
    x = 8,812.65

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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.