Home / 14,890.79-20,550.93-8,517.97

Finding the Fourth Proportional to 14,890.79, 20,550.93 and 8,517.97

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Solution

The fourth proportional to 14,890.79, 20,550.93 and 8,517.97 is: 11,755.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,890.79 : 20,550.93 = 8,517.97 : x
  2. Step 2: Convert to fraction form
    14,890.79/20,550.93 = 8,517.97/x
  3. Step 3: Cross multiply
    14,890.79x = 20,550.93 × 8,517.97
  4. Step 4: Simplify right side
    14,890.79x = 175,052,246.87
  5. Step 5: Solve for x
    x = 175,052,246.87/14,890.79
  6. Step 6: Final answer
    x = 11,755.74

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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.