Home / 12,039.28-18,060.12-4,540.94

Finding the Fourth Proportional to 12,039.28, 18,060.12 and 4,540.94

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Solution

The fourth proportional to 12,039.28, 18,060.12 and 4,540.94 is: 6,811.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,039.28 : 18,060.12 = 4,540.94 : x
  2. Step 2: Convert to fraction form
    12,039.28/18,060.12 = 4,540.94/x
  3. Step 3: Cross multiply
    12,039.28x = 18,060.12 × 4,540.94
  4. Step 4: Simplify right side
    12,039.28x = 82,009,921.31
  5. Step 5: Solve for x
    x = 82,009,921.31/12,039.28
  6. Step 6: Final answer
    x = 6,811.86

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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.