Home / 11,810.11-17,717.61-9,875.83

Finding the Fourth Proportional to 11,810.11, 17,717.61 and 9,875.83

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Solution

The fourth proportional to 11,810.11, 17,717.61 and 9,875.83 is: 14,815.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,810.11 : 17,717.61 = 9,875.83 : x
  2. Step 2: Convert to fraction form
    11,810.11/17,717.61 = 9,875.83/x
  3. Step 3: Cross multiply
    11,810.11x = 17,717.61 × 9,875.83
  4. Step 4: Simplify right side
    11,810.11x = 174,976,104.37
  5. Step 5: Solve for x
    x = 174,976,104.37/11,810.11
  6. Step 6: Final answer
    x = 14,815.79

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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.