Home / 10,218.11-14,096.90-6,440.27

Finding the Fourth Proportional to 10,218.11, 14,096.90 and 6,440.27

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Solution

The fourth proportional to 10,218.11, 14,096.90 and 6,440.27 is: 8,884.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,218.11 : 14,096.90 = 6,440.27 : x
  2. Step 2: Convert to fraction form
    10,218.11/14,096.90 = 6,440.27/x
  3. Step 3: Cross multiply
    10,218.11x = 14,096.90 × 6,440.27
  4. Step 4: Simplify right side
    10,218.11x = 90,787,771.68
  5. Step 5: Solve for x
    x = 90,787,771.68/10,218.11
  6. Step 6: Final answer
    x = 8,884.99

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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.