Home / 11,318.87-16,973.99-6,121.91

Finding the Fourth Proportional to 11,318.87, 16,973.99 and 6,121.91

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Solution

The fourth proportional to 11,318.87, 16,973.99 and 6,121.91 is: 9,180.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,318.87 : 16,973.99 = 6,121.91 : x
  2. Step 2: Convert to fraction form
    11,318.87/16,973.99 = 6,121.91/x
  3. Step 3: Cross multiply
    11,318.87x = 16,973.99 × 6,121.91
  4. Step 4: Simplify right side
    11,318.87x = 103,913,208.51
  5. Step 5: Solve for x
    x = 103,913,208.51/11,318.87
  6. Step 6: Final answer
    x = 9,180.53

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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.