Home / 12,068.35-18,102.17-8,145.41

Finding the Fourth Proportional to 12,068.35, 18,102.17 and 8,145.41

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Solution

The fourth proportional to 12,068.35, 18,102.17 and 8,145.41 is: 12,217.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,068.35 : 18,102.17 = 8,145.41 : x
  2. Step 2: Convert to fraction form
    12,068.35/18,102.17 = 8,145.41/x
  3. Step 3: Cross multiply
    12,068.35x = 18,102.17 × 8,145.41
  4. Step 4: Simplify right side
    12,068.35x = 147,449,526.39
  5. Step 5: Solve for x
    x = 147,449,526.39/12,068.35
  6. Step 6: Final answer
    x = 12,217.87

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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.