Home / 10,022.22-13,836.94-6,438.62

Finding the Fourth Proportional to 10,022.22, 13,836.94 and 6,438.62

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Solution

The fourth proportional to 10,022.22, 13,836.94 and 6,438.62 is: 8,889.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,022.22 : 13,836.94 = 6,438.62 : x
  2. Step 2: Convert to fraction form
    10,022.22/13,836.94 = 6,438.62/x
  3. Step 3: Cross multiply
    10,022.22x = 13,836.94 × 6,438.62
  4. Step 4: Simplify right side
    10,022.22x = 89,090,817.12
  5. Step 5: Solve for x
    x = 89,090,817.12/10,022.22
  6. Step 6: Final answer
    x = 8,889.33

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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.