Home / 11,086.57-15,299.46-6,370.84

Finding the Fourth Proportional to 11,086.57, 15,299.46 and 6,370.84

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Solution

The fourth proportional to 11,086.57, 15,299.46 and 6,370.84 is: 8,791.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,086.57 : 15,299.46 = 6,370.84 : x
  2. Step 2: Convert to fraction form
    11,086.57/15,299.46 = 6,370.84/x
  3. Step 3: Cross multiply
    11,086.57x = 15,299.46 × 6,370.84
  4. Step 4: Simplify right side
    11,086.57x = 97,470,411.75
  5. Step 5: Solve for x
    x = 97,470,411.75/11,086.57
  6. Step 6: Final answer
    x = 8,791.76

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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.