Home / 11,102.67-16,655.05-3,707.64

Finding the Fourth Proportional to 11,102.67, 16,655.05 and 3,707.64

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Solution

The fourth proportional to 11,102.67, 16,655.05 and 3,707.64 is: 5,561.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,102.67 : 16,655.05 = 3,707.64 : x
  2. Step 2: Convert to fraction form
    11,102.67/16,655.05 = 3,707.64/x
  3. Step 3: Cross multiply
    11,102.67x = 16,655.05 × 3,707.64
  4. Step 4: Simplify right side
    11,102.67x = 61,750,934.22
  5. Step 5: Solve for x
    x = 61,750,934.22/11,102.67
  6. Step 6: Final answer
    x = 5,561.81

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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.