Home / 11,890.77-17,836.16-6,693.81

Finding the Fourth Proportional to 11,890.77, 17,836.16 and 6,693.81

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Solution

The fourth proportional to 11,890.77, 17,836.16 and 6,693.81 is: 10,040.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,890.77 : 17,836.16 = 6,693.81 : x
  2. Step 2: Convert to fraction form
    11,890.77/17,836.16 = 6,693.81/x
  3. Step 3: Cross multiply
    11,890.77x = 17,836.16 × 6,693.81
  4. Step 4: Simplify right side
    11,890.77x = 119,391,832.70
  5. Step 5: Solve for x
    x = 119,391,832.70/11,890.77
  6. Step 6: Final answer
    x = 10,040.72

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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.