Home / 11,845.13-16,345.49-6,539.90

Finding the Fourth Proportional to 11,845.13, 16,345.49 and 6,539.90

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Solution

The fourth proportional to 11,845.13, 16,345.49 and 6,539.90 is: 9,024.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,845.13 : 16,345.49 = 6,539.90 : x
  2. Step 2: Convert to fraction form
    11,845.13/16,345.49 = 6,539.90/x
  3. Step 3: Cross multiply
    11,845.13x = 16,345.49 × 6,539.90
  4. Step 4: Simplify right side
    11,845.13x = 106,897,755.62
  5. Step 5: Solve for x
    x = 106,897,755.62/11,845.13
  6. Step 6: Final answer
    x = 9,024.62

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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.