Home / 11,708.44-16,159.21-6,605.00

Finding the Fourth Proportional to 11,708.44, 16,159.21 and 6,605.00

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Solution

The fourth proportional to 11,708.44, 16,159.21 and 6,605.00 is: 9,115.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,708.44 : 16,159.21 = 6,605.00 : x
  2. Step 2: Convert to fraction form
    11,708.44/16,159.21 = 6,605.00/x
  3. Step 3: Cross multiply
    11,708.44x = 16,159.21 × 6,605.00
  4. Step 4: Simplify right side
    11,708.44x = 106,731,582.49
  5. Step 5: Solve for x
    x = 106,731,582.49/11,708.44
  6. Step 6: Final answer
    x = 9,115.78

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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.