Home / 11,755.16-16,222.58-6,449.87

Finding the Fourth Proportional to 11,755.16, 16,222.58 and 6,449.87

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Solution

The fourth proportional to 11,755.16, 16,222.58 and 6,449.87 is: 8,901.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,755.16 : 16,222.58 = 6,449.87 : x
  2. Step 2: Convert to fraction form
    11,755.16/16,222.58 = 6,449.87/x
  3. Step 3: Cross multiply
    11,755.16x = 16,222.58 × 6,449.87
  4. Step 4: Simplify right side
    11,755.16x = 104,633,418.70
  5. Step 5: Solve for x
    x = 104,633,418.70/11,755.16
  6. Step 6: Final answer
    x = 8,901.07

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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.