Home / 12,152.20-18,228.30-6,608.20

Finding the Fourth Proportional to 12,152.20, 18,228.30 and 6,608.20

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Solution

The fourth proportional to 12,152.20, 18,228.30 and 6,608.20 is: 9,912.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,152.20 : 18,228.30 = 6,608.20 : x
  2. Step 2: Convert to fraction form
    12,152.20/18,228.30 = 6,608.20/x
  3. Step 3: Cross multiply
    12,152.20x = 18,228.30 × 6,608.20
  4. Step 4: Simplify right side
    12,152.20x = 120,456,252.06
  5. Step 5: Solve for x
    x = 120,456,252.06/12,152.20
  6. Step 6: Final answer
    x = 9,912.30

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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.