Home / 15,005.52-22,511.62-5,645.61

Finding the Fourth Proportional to 15,005.52, 22,511.62 and 5,645.61

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Solution

The fourth proportional to 15,005.52, 22,511.62 and 5,645.61 is: 8,469.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,005.52 : 22,511.62 = 5,645.61 : x
  2. Step 2: Convert to fraction form
    15,005.52/22,511.62 = 5,645.61/x
  3. Step 3: Cross multiply
    15,005.52x = 22,511.62 × 5,645.61
  4. Step 4: Simplify right side
    15,005.52x = 127,091,826.99
  5. Step 5: Solve for x
    x = 127,091,826.99/15,005.52
  6. Step 6: Final answer
    x = 8,469.67

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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.