Home / 11,930.12-17,894.61-4,032.11

Finding the Fourth Proportional to 11,930.12, 17,894.61 and 4,032.11

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Solution

The fourth proportional to 11,930.12, 17,894.61 and 4,032.11 is: 6,047.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,930.12 : 17,894.61 = 4,032.11 : x
  2. Step 2: Convert to fraction form
    11,930.12/17,894.61 = 4,032.11/x
  3. Step 3: Cross multiply
    11,930.12x = 17,894.61 × 4,032.11
  4. Step 4: Simplify right side
    11,930.12x = 72,153,035.93
  5. Step 5: Solve for x
    x = 72,153,035.93/11,930.12
  6. Step 6: Final answer
    x = 6,047.97

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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.