Home / 13,217.64-18,241.78-8,441.97

Finding the Fourth Proportional to 13,217.64, 18,241.78 and 8,441.97

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Solution

The fourth proportional to 13,217.64, 18,241.78 and 8,441.97 is: 11,650.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,217.64 : 18,241.78 = 8,441.97 : x
  2. Step 2: Convert to fraction form
    13,217.64/18,241.78 = 8,441.97/x
  3. Step 3: Cross multiply
    13,217.64x = 18,241.78 × 8,441.97
  4. Step 4: Simplify right side
    13,217.64x = 153,996,559.51
  5. Step 5: Solve for x
    x = 153,996,559.51/13,217.64
  6. Step 6: Final answer
    x = 11,650.84

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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.