Home / 15,965.40-23,982.96-13,723.37

Finding the Fourth Proportional to 15,965.40, 23,982.96 and 13,723.37

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Solution

The fourth proportional to 15,965.40, 23,982.96 and 13,723.37 is: 20,615.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,965.40 : 23,982.96 = 13,723.37 : x
  2. Step 2: Convert to fraction form
    15,965.40/23,982.96 = 13,723.37/x
  3. Step 3: Cross multiply
    15,965.40x = 23,982.96 × 13,723.37
  4. Step 4: Simplify right side
    15,965.40x = 329,127,151.57
  5. Step 5: Solve for x
    x = 329,127,151.57/15,965.40
  6. Step 6: Final answer
    x = 20,615.02

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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.