Home / 11,218.28-16,806.78-9,463.88

Finding the Fourth Proportional to 11,218.28, 16,806.78 and 9,463.88

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Solution

The fourth proportional to 11,218.28, 16,806.78 and 9,463.88 is: 14,178.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,218.28 : 16,806.78 = 9,463.88 : x
  2. Step 2: Convert to fraction form
    11,218.28/16,806.78 = 9,463.88/x
  3. Step 3: Cross multiply
    11,218.28x = 16,806.78 × 9,463.88
  4. Step 4: Simplify right side
    11,218.28x = 159,057,349.11
  5. Step 5: Solve for x
    x = 159,057,349.11/11,218.28
  6. Step 6: Final answer
    x = 14,178.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.