Home / 11,340.93-15,648.06-6,863.79

Finding the Fourth Proportional to 11,340.93, 15,648.06 and 6,863.79

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Solution

The fourth proportional to 11,340.93, 15,648.06 and 6,863.79 is: 9,470.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,340.93 : 15,648.06 = 6,863.79 : x
  2. Step 2: Convert to fraction form
    11,340.93/15,648.06 = 6,863.79/x
  3. Step 3: Cross multiply
    11,340.93x = 15,648.06 × 6,863.79
  4. Step 4: Simplify right side
    11,340.93x = 107,404,997.75
  5. Step 5: Solve for x
    x = 107,404,997.75/11,340.93
  6. Step 6: Final answer
    x = 9,470.56

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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.