Home / 21,394.24-32,091.24-5,811.86

Finding the Fourth Proportional to 21,394.24, 32,091.24 and 5,811.86

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Solution

The fourth proportional to 21,394.24, 32,091.24 and 5,811.86 is: 8,717.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,394.24 : 32,091.24 = 5,811.86 : x
  2. Step 2: Convert to fraction form
    21,394.24/32,091.24 = 5,811.86/x
  3. Step 3: Cross multiply
    21,394.24x = 32,091.24 × 5,811.86
  4. Step 4: Simplify right side
    21,394.24x = 186,509,794.11
  5. Step 5: Solve for x
    x = 186,509,794.11/21,394.24
  6. Step 6: Final answer
    x = 8,717.76

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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.