Home / 10,619.08-15,923.76-3,220.95

Finding the Fourth Proportional to 10,619.08, 15,923.76 and 3,220.95

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Solution

The fourth proportional to 10,619.08, 15,923.76 and 3,220.95 is: 4,829.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,619.08 : 15,923.76 = 3,220.95 : x
  2. Step 2: Convert to fraction form
    10,619.08/15,923.76 = 3,220.95/x
  3. Step 3: Cross multiply
    10,619.08x = 15,923.76 × 3,220.95
  4. Step 4: Simplify right side
    10,619.08x = 51,289,634.77
  5. Step 5: Solve for x
    x = 51,289,634.77/10,619.08
  6. Step 6: Final answer
    x = 4,829.95

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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.