Home / 15,559.88-23,353.30-8,169.56

Finding the Fourth Proportional to 15,559.88, 23,353.30 and 8,169.56

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Solution

The fourth proportional to 15,559.88, 23,353.30 and 8,169.56 is: 12,261.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,559.88 : 23,353.30 = 8,169.56 : x
  2. Step 2: Convert to fraction form
    15,559.88/23,353.30 = 8,169.56/x
  3. Step 3: Cross multiply
    15,559.88x = 23,353.30 × 8,169.56
  4. Step 4: Simplify right side
    15,559.88x = 190,786,185.55
  5. Step 5: Solve for x
    x = 190,786,185.55/15,559.88
  6. Step 6: Final answer
    x = 12,261.42

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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.