Home / 10,879.02-16,318.65-3,087.81

Finding the Fourth Proportional to 10,879.02, 16,318.65 and 3,087.81

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Solution

The fourth proportional to 10,879.02, 16,318.65 and 3,087.81 is: 4,631.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,879.02 : 16,318.65 = 3,087.81 : x
  2. Step 2: Convert to fraction form
    10,879.02/16,318.65 = 3,087.81/x
  3. Step 3: Cross multiply
    10,879.02x = 16,318.65 × 3,087.81
  4. Step 4: Simplify right side
    10,879.02x = 50,388,890.66
  5. Step 5: Solve for x
    x = 50,388,890.66/10,879.02
  6. Step 6: Final answer
    x = 4,631.75

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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.