Home / 11,550.56-15,939.94-6,515.02

Finding the Fourth Proportional to 11,550.56, 15,939.94 and 6,515.02

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Solution

The fourth proportional to 11,550.56, 15,939.94 and 6,515.02 is: 8,990.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,550.56 : 15,939.94 = 6,515.02 : x
  2. Step 2: Convert to fraction form
    11,550.56/15,939.94 = 6,515.02/x
  3. Step 3: Cross multiply
    11,550.56x = 15,939.94 × 6,515.02
  4. Step 4: Simplify right side
    11,550.56x = 103,849,027.90
  5. Step 5: Solve for x
    x = 103,849,027.90/11,550.56
  6. Step 6: Final answer
    x = 8,990.82

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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.