Home / 10,820.70-16,243.20-5,887.80

Finding the Fourth Proportional to 10,820.70, 16,243.20 and 5,887.80

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Solution

The fourth proportional to 10,820.70, 16,243.20 and 5,887.80 is: 8,838.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,820.70 : 16,243.20 = 5,887.80 : x
  2. Step 2: Convert to fraction form
    10,820.70/16,243.20 = 5,887.80/x
  3. Step 3: Cross multiply
    10,820.70x = 16,243.20 × 5,887.80
  4. Step 4: Simplify right side
    10,820.70x = 95,636,712.96
  5. Step 5: Solve for x
    x = 95,636,712.96/10,820.70
  6. Step 6: Final answer
    x = 8,838.31

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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.