Home / 12,102.18-18,153.09-3,336.90

Finding the Fourth Proportional to 12,102.18, 18,153.09 and 3,336.90

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Solution

The fourth proportional to 12,102.18, 18,153.09 and 3,336.90 is: 5,005.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,102.18 : 18,153.09 = 3,336.90 : x
  2. Step 2: Convert to fraction form
    12,102.18/18,153.09 = 3,336.90/x
  3. Step 3: Cross multiply
    12,102.18x = 18,153.09 × 3,336.90
  4. Step 4: Simplify right side
    12,102.18x = 60,575,046.02
  5. Step 5: Solve for x
    x = 60,575,046.02/12,102.18
  6. Step 6: Final answer
    x = 5,005.30

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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.