Home / 11,253.06-16,877.70-3,857.76

Finding the Fourth Proportional to 11,253.06, 16,877.70 and 3,857.76

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Solution

The fourth proportional to 11,253.06, 16,877.70 and 3,857.76 is: 5,785.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,253.06 : 16,877.70 = 3,857.76 : x
  2. Step 2: Convert to fraction form
    11,253.06/16,877.70 = 3,857.76/x
  3. Step 3: Cross multiply
    11,253.06x = 16,877.70 × 3,857.76
  4. Step 4: Simplify right side
    11,253.06x = 65,110,115.95
  5. Step 5: Solve for x
    x = 65,110,115.95/11,253.06
  6. Step 6: Final answer
    x = 5,785.99

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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.