Home / 13,367.03-20,008.42-11,958.17

Finding the Fourth Proportional to 13,367.03, 20,008.42 and 11,958.17

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Solution

The fourth proportional to 13,367.03, 20,008.42 and 11,958.17 is: 17,899.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,367.03 : 20,008.42 = 11,958.17 : x
  2. Step 2: Convert to fraction form
    13,367.03/20,008.42 = 11,958.17/x
  3. Step 3: Cross multiply
    13,367.03x = 20,008.42 × 11,958.17
  4. Step 4: Simplify right side
    13,367.03x = 239,263,957.85
  5. Step 5: Solve for x
    x = 239,263,957.85/13,367.03
  6. Step 6: Final answer
    x = 17,899.57

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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.