Home / 15,469.84-23,211.24-11,121.76

Finding the Fourth Proportional to 15,469.84, 23,211.24 and 11,121.76

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Solution

The fourth proportional to 15,469.84, 23,211.24 and 11,121.76 is: 16,687.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,469.84 : 23,211.24 = 11,121.76 : x
  2. Step 2: Convert to fraction form
    15,469.84/23,211.24 = 11,121.76/x
  3. Step 3: Cross multiply
    15,469.84x = 23,211.24 × 11,121.76
  4. Step 4: Simplify right side
    15,469.84x = 258,149,840.58
  5. Step 5: Solve for x
    x = 258,149,840.58/15,469.84
  6. Step 6: Final answer
    x = 16,687.30

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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.