Home / 8,005.38-12,025.50-7,742.94

Finding the Fourth Proportional to 8,005.38, 12,025.50 and 7,742.94

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Solution

The fourth proportional to 8,005.38, 12,025.50 and 7,742.94 is: 11,631.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,005.38 : 12,025.50 = 7,742.94 : x
  2. Step 2: Convert to fraction form
    8,005.38/12,025.50 = 7,742.94/x
  3. Step 3: Cross multiply
    8,005.38x = 12,025.50 × 7,742.94
  4. Step 4: Simplify right side
    8,005.38x = 93,112,724.97
  5. Step 5: Solve for x
    x = 93,112,724.97/8,005.38
  6. Step 6: Final answer
    x = 11,631.27

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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.