Home / 11,821.55-17,739.24-6,560.99

Finding the Fourth Proportional to 11,821.55, 17,739.24 and 6,560.99

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Solution

The fourth proportional to 11,821.55, 17,739.24 and 6,560.99 is: 9,845.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,821.55 : 17,739.24 = 6,560.99 : x
  2. Step 2: Convert to fraction form
    11,821.55/17,739.24 = 6,560.99/x
  3. Step 3: Cross multiply
    11,821.55x = 17,739.24 × 6,560.99
  4. Step 4: Simplify right side
    11,821.55x = 116,386,887.55
  5. Step 5: Solve for x
    x = 116,386,887.55/11,821.55
  6. Step 6: Final answer
    x = 9,845.32

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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.