Home / 11,508.08-17,259.95-3,186.98

Finding the Fourth Proportional to 11,508.08, 17,259.95 and 3,186.98

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Solution

The fourth proportional to 11,508.08, 17,259.95 and 3,186.98 is: 4,779.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,508.08 : 17,259.95 = 3,186.98 : x
  2. Step 2: Convert to fraction form
    11,508.08/17,259.95 = 3,186.98/x
  3. Step 3: Cross multiply
    11,508.08x = 17,259.95 × 3,186.98
  4. Step 4: Simplify right side
    11,508.08x = 55,007,101.84
  5. Step 5: Solve for x
    x = 55,007,101.84/11,508.08
  6. Step 6: Final answer
    x = 4,779.87

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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.