Home / 11,810.12-17,717.62-9,875.84

Finding the Fourth Proportional to 11,810.12, 17,717.62 and 9,875.84

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Solution

The fourth proportional to 11,810.12, 17,717.62 and 9,875.84 is: 14,815.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,810.12 : 17,717.62 = 9,875.84 : x
  2. Step 2: Convert to fraction form
    11,810.12/17,717.62 = 9,875.84/x
  3. Step 3: Cross multiply
    11,810.12x = 17,717.62 × 9,875.84
  4. Step 4: Simplify right side
    11,810.12x = 174,976,380.30
  5. Step 5: Solve for x
    x = 174,976,380.30/11,810.12
  6. Step 6: Final answer
    x = 14,815.80

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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.