Home / 11,939.04-17,913.72-4,545.72

Finding the Fourth Proportional to 11,939.04, 17,913.72 and 4,545.72

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Solution

The fourth proportional to 11,939.04, 17,913.72 and 4,545.72 is: 6,820.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,939.04 : 17,913.72 = 4,545.72 : x
  2. Step 2: Convert to fraction form
    11,939.04/17,913.72 = 4,545.72/x
  3. Step 3: Cross multiply
    11,939.04x = 17,913.72 × 4,545.72
  4. Step 4: Simplify right side
    11,939.04x = 81,430,755.28
  5. Step 5: Solve for x
    x = 81,430,755.28/11,939.04
  6. Step 6: Final answer
    x = 6,820.54

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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.