Home / 11,589.39-17,383.28-6,643.53

Finding the Fourth Proportional to 11,589.39, 17,383.28 and 6,643.53

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Solution

The fourth proportional to 11,589.39, 17,383.28 and 6,643.53 is: 9,964.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,589.39 : 17,383.28 = 6,643.53 : x
  2. Step 2: Convert to fraction form
    11,589.39/17,383.28 = 6,643.53/x
  3. Step 3: Cross multiply
    11,589.39x = 17,383.28 × 6,643.53
  4. Step 4: Simplify right side
    11,589.39x = 115,486,308.96
  5. Step 5: Solve for x
    x = 115,486,308.96/11,589.39
  6. Step 6: Final answer
    x = 9,964.83

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1.5x scale

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.