Home / 11,836.34-17,761.30-4,815.06

Finding the Fourth Proportional to 11,836.34, 17,761.30 and 4,815.06

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Solution

The fourth proportional to 11,836.34, 17,761.30 and 4,815.06 is: 7,225.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,836.34 : 17,761.30 = 4,815.06 : x
  2. Step 2: Convert to fraction form
    11,836.34/17,761.30 = 4,815.06/x
  3. Step 3: Cross multiply
    11,836.34x = 17,761.30 × 4,815.06
  4. Step 4: Simplify right side
    11,836.34x = 85,521,713.14
  5. Step 5: Solve for x
    x = 85,521,713.14/11,836.34
  6. Step 6: Final answer
    x = 7,225.35

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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.