Home / 12,065.13-18,105.39-6,522.30

Finding the Fourth Proportional to 12,065.13, 18,105.39 and 6,522.30

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Solution

The fourth proportional to 12,065.13, 18,105.39 and 6,522.30 is: 9,787.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,065.13 : 18,105.39 = 6,522.30 : x
  2. Step 2: Convert to fraction form
    12,065.13/18,105.39 = 6,522.30/x
  3. Step 3: Cross multiply
    12,065.13x = 18,105.39 × 6,522.30
  4. Step 4: Simplify right side
    12,065.13x = 118,088,785.20
  5. Step 5: Solve for x
    x = 118,088,785.20/12,065.13
  6. Step 6: Final answer
    x = 9,787.61

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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.