Home / 12,099.33-18,144.33-4,702.83

Finding the Fourth Proportional to 12,099.33, 18,144.33 and 4,702.83

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Solution

The fourth proportional to 12,099.33, 18,144.33 and 4,702.83 is: 7,052.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,099.33 : 18,144.33 = 4,702.83 : x
  2. Step 2: Convert to fraction form
    12,099.33/18,144.33 = 4,702.83/x
  3. Step 3: Cross multiply
    12,099.33x = 18,144.33 × 4,702.83
  4. Step 4: Simplify right side
    12,099.33x = 85,329,699.45
  5. Step 5: Solve for x
    x = 85,329,699.45/12,099.33
  6. Step 6: Final answer
    x = 7,052.43

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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.