Home / 11,188.09-16,766.29-8,712.01

Finding the Fourth Proportional to 11,188.09, 16,766.29 and 8,712.01

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Solution

The fourth proportional to 11,188.09, 16,766.29 and 8,712.01 is: 13,055.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,188.09 : 16,766.29 = 8,712.01 : x
  2. Step 2: Convert to fraction form
    11,188.09/16,766.29 = 8,712.01/x
  3. Step 3: Cross multiply
    11,188.09x = 16,766.29 × 8,712.01
  4. Step 4: Simplify right side
    11,188.09x = 146,068,086.14
  5. Step 5: Solve for x
    x = 146,068,086.14/11,188.09
  6. Step 6: Final answer
    x = 13,055.68

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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.