Home / 12,160.55-18,248.12-4,369.97

Finding the Fourth Proportional to 12,160.55, 18,248.12 and 4,369.97

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Solution

The fourth proportional to 12,160.55, 18,248.12 and 4,369.97 is: 6,557.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,160.55 : 18,248.12 = 4,369.97 : x
  2. Step 2: Convert to fraction form
    12,160.55/18,248.12 = 4,369.97/x
  3. Step 3: Cross multiply
    12,160.55x = 18,248.12 × 4,369.97
  4. Step 4: Simplify right side
    12,160.55x = 79,743,623.87
  5. Step 5: Solve for x
    x = 79,743,623.87/12,160.55
  6. Step 6: Final answer
    x = 6,557.57

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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.