Home / 10,849.11-16,263.95-3,921.99

Finding the Fourth Proportional to 10,849.11, 16,263.95 and 3,921.99

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Solution

The fourth proportional to 10,849.11, 16,263.95 and 3,921.99 is: 5,879.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,849.11 : 16,263.95 = 3,921.99 : x
  2. Step 2: Convert to fraction form
    10,849.11/16,263.95 = 3,921.99/x
  3. Step 3: Cross multiply
    10,849.11x = 16,263.95 × 3,921.99
  4. Step 4: Simplify right side
    10,849.11x = 63,787,029.65
  5. Step 5: Solve for x
    x = 63,787,029.65/10,849.11
  6. Step 6: Final answer
    x = 5,879.47

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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.