Home / 12,350.32-18,520.80-4,028.38

Finding the Fourth Proportional to 12,350.32, 18,520.80 and 4,028.38

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Solution

The fourth proportional to 12,350.32, 18,520.80 and 4,028.38 is: 6,041.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,350.32 : 18,520.80 = 4,028.38 : x
  2. Step 2: Convert to fraction form
    12,350.32/18,520.80 = 4,028.38/x
  3. Step 3: Cross multiply
    12,350.32x = 18,520.80 × 4,028.38
  4. Step 4: Simplify right side
    12,350.32x = 74,608,820.30
  5. Step 5: Solve for x
    x = 74,608,820.30/12,350.32
  6. Step 6: Final answer
    x = 6,041.04

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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.