Home / 12,379.50-18,567.09-4,982.04

Finding the Fourth Proportional to 12,379.50, 18,567.09 and 4,982.04

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Solution

The fourth proportional to 12,379.50, 18,567.09 and 4,982.04 is: 7,472.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,379.50 : 18,567.09 = 4,982.04 : x
  2. Step 2: Convert to fraction form
    12,379.50/18,567.09 = 4,982.04/x
  3. Step 3: Cross multiply
    12,379.50x = 18,567.09 × 4,982.04
  4. Step 4: Simplify right side
    12,379.50x = 92,501,985.06
  5. Step 5: Solve for x
    x = 92,501,985.06/12,379.50
  6. Step 6: Final answer
    x = 7,472.19

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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.