Home / 12,092.48-18,145.20-11,211.20

Finding the Fourth Proportional to 12,092.48, 18,145.20 and 11,211.20

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Solution

The fourth proportional to 12,092.48, 18,145.20 and 11,211.20 is: 16,822.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,092.48 : 18,145.20 = 11,211.20 : x
  2. Step 2: Convert to fraction form
    12,092.48/18,145.20 = 11,211.20/x
  3. Step 3: Cross multiply
    12,092.48x = 18,145.20 × 11,211.20
  4. Step 4: Simplify right side
    12,092.48x = 203,429,466.24
  5. Step 5: Solve for x
    x = 203,429,466.24/12,092.48
  6. Step 6: Final answer
    x = 16,822.81

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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.