Home / 11,115.51-16,672.05-3,322.50

Finding the Fourth Proportional to 11,115.51, 16,672.05 and 3,322.50

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Solution

The fourth proportional to 11,115.51, 16,672.05 and 3,322.50 is: 4,983.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,115.51 : 16,672.05 = 3,322.50 : x
  2. Step 2: Convert to fraction form
    11,115.51/16,672.05 = 3,322.50/x
  3. Step 3: Cross multiply
    11,115.51x = 16,672.05 × 3,322.50
  4. Step 4: Simplify right side
    11,115.51x = 55,392,886.13
  5. Step 5: Solve for x
    x = 55,392,886.13/11,115.51
  6. Step 6: Final answer
    x = 4,983.39

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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.