Home / 11,836.75-17,763.23-7,666.39

Finding the Fourth Proportional to 11,836.75, 17,763.23 and 7,666.39

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Solution

The fourth proportional to 11,836.75, 17,763.23 and 7,666.39 is: 11,504.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,836.75 : 17,763.23 = 7,666.39 : x
  2. Step 2: Convert to fraction form
    11,836.75/17,763.23 = 7,666.39/x
  3. Step 3: Cross multiply
    11,836.75x = 17,763.23 × 7,666.39
  4. Step 4: Simplify right side
    11,836.75x = 136,179,848.84
  5. Step 5: Solve for x
    x = 136,179,848.84/11,836.75
  6. Step 6: Final answer
    x = 11,504.83

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1.5x scale

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.