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Finding the Fourth Proportional to 10,800.83, 14,905.92 and 6,021.09

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Solution

The fourth proportional to 10,800.83, 14,905.92 and 6,021.09 is: 8,309.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,800.83 : 14,905.92 = 6,021.09 : x
  2. Step 2: Convert to fraction form
    10,800.83/14,905.92 = 6,021.09/x
  3. Step 3: Cross multiply
    10,800.83x = 14,905.92 × 6,021.09
  4. Step 4: Simplify right side
    10,800.83x = 89,749,885.85
  5. Step 5: Solve for x
    x = 89,749,885.85/10,800.83
  6. Step 6: Final answer
    x = 8,309.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.