Home / 11,622.49-16,039.16-6,317.30

Finding the Fourth Proportional to 11,622.49, 16,039.16 and 6,317.30

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Solution

The fourth proportional to 11,622.49, 16,039.16 and 6,317.30 is: 8,717.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,622.49 : 16,039.16 = 6,317.30 : x
  2. Step 2: Convert to fraction form
    11,622.49/16,039.16 = 6,317.30/x
  3. Step 3: Cross multiply
    11,622.49x = 16,039.16 × 6,317.30
  4. Step 4: Simplify right side
    11,622.49x = 101,324,153.88
  5. Step 5: Solve for x
    x = 101,324,153.88/11,622.49
  6. Step 6: Final answer
    x = 8,717.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.