Home / 11,311.07-15,609.68-8,473.43

Finding the Fourth Proportional to 11,311.07, 15,609.68 and 8,473.43

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Solution

The fourth proportional to 11,311.07, 15,609.68 and 8,473.43 is: 11,693.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,311.07 : 15,609.68 = 8,473.43 : x
  2. Step 2: Convert to fraction form
    11,311.07/15,609.68 = 8,473.43/x
  3. Step 3: Cross multiply
    11,311.07x = 15,609.68 × 8,473.43
  4. Step 4: Simplify right side
    11,311.07x = 132,267,410.39
  5. Step 5: Solve for x
    x = 132,267,410.39/11,311.07
  6. Step 6: Final answer
    x = 11,693.63

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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.