Home / 11,078.40-15,288.08-6,042.62

Finding the Fourth Proportional to 11,078.40, 15,288.08 and 6,042.62

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Solution

The fourth proportional to 11,078.40, 15,288.08 and 6,042.62 is: 8,338.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,078.40 : 15,288.08 = 6,042.62 : x
  2. Step 2: Convert to fraction form
    11,078.40/15,288.08 = 6,042.62/x
  3. Step 3: Cross multiply
    11,078.40x = 15,288.08 × 6,042.62
  4. Step 4: Simplify right side
    11,078.40x = 92,380,057.97
  5. Step 5: Solve for x
    x = 92,380,057.97/11,078.40
  6. Step 6: Final answer
    x = 8,338.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.