Home / 15,965.80-23,933.94-8,157.40

Finding the Fourth Proportional to 15,965.80, 23,933.94 and 8,157.40

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Solution

The fourth proportional to 15,965.80, 23,933.94 and 8,157.40 is: 12,228.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,965.80 : 23,933.94 = 8,157.40 : x
  2. Step 2: Convert to fraction form
    15,965.80/23,933.94 = 8,157.40/x
  3. Step 3: Cross multiply
    15,965.80x = 23,933.94 × 8,157.40
  4. Step 4: Simplify right side
    15,965.80x = 195,238,722.16
  5. Step 5: Solve for x
    x = 195,238,722.16/15,965.80
  6. Step 6: Final answer
    x = 12,228.56

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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.