Home / 11,115.16-16,677.42-4,871.95

Finding the Fourth Proportional to 11,115.16, 16,677.42 and 4,871.95

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Solution

The fourth proportional to 11,115.16, 16,677.42 and 4,871.95 is: 7,309.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,115.16 : 16,677.42 = 4,871.95 : x
  2. Step 2: Convert to fraction form
    11,115.16/16,677.42 = 4,871.95/x
  3. Step 3: Cross multiply
    11,115.16x = 16,677.42 × 4,871.95
  4. Step 4: Simplify right side
    11,115.16x = 81,251,556.37
  5. Step 5: Solve for x
    x = 81,251,556.37/11,115.16
  6. Step 6: Final answer
    x = 7,309.98

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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.