Home / 11,187.42-16,780.80-2,867.46

Finding the Fourth Proportional to 11,187.42, 16,780.80 and 2,867.46

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Solution

The fourth proportional to 11,187.42, 16,780.80 and 2,867.46 is: 4,301.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,187.42 : 16,780.80 = 2,867.46 : x
  2. Step 2: Convert to fraction form
    11,187.42/16,780.80 = 2,867.46/x
  3. Step 3: Cross multiply
    11,187.42x = 16,780.80 × 2,867.46
  4. Step 4: Simplify right side
    11,187.42x = 48,118,272.77
  5. Step 5: Solve for x
    x = 48,118,272.77/11,187.42
  6. Step 6: Final answer
    x = 4,301.11

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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.