Home / 11,753.39-16,219.94-6,448.19

Finding the Fourth Proportional to 11,753.39, 16,219.94 and 6,448.19

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Solution

The fourth proportional to 11,753.39, 16,219.94 and 6,448.19 is: 8,898.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,753.39 : 16,219.94 = 6,448.19 : x
  2. Step 2: Convert to fraction form
    11,753.39/16,219.94 = 6,448.19/x
  3. Step 3: Cross multiply
    11,753.39x = 16,219.94 × 6,448.19
  4. Step 4: Simplify right side
    11,753.39x = 104,589,141.57
  5. Step 5: Solve for x
    x = 104,589,141.57/11,753.39
  6. Step 6: Final answer
    x = 8,898.64

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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.