Home / 11,299.21-16,939.50-5,373.74

Finding the Fourth Proportional to 11,299.21, 16,939.50 and 5,373.74

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Solution

The fourth proportional to 11,299.21, 16,939.50 and 5,373.74 is: 8,056.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,299.21 : 16,939.50 = 5,373.74 : x
  2. Step 2: Convert to fraction form
    11,299.21/16,939.50 = 5,373.74/x
  3. Step 3: Cross multiply
    11,299.21x = 16,939.50 × 5,373.74
  4. Step 4: Simplify right side
    11,299.21x = 91,028,490.93
  5. Step 5: Solve for x
    x = 91,028,490.93/11,299.21
  6. Step 6: Final answer
    x = 8,056.18

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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.