Home / 11,025.92-15,215.36-6,310.08

Finding the Fourth Proportional to 11,025.92, 15,215.36 and 6,310.08

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Solution

The fourth proportional to 11,025.92, 15,215.36 and 6,310.08 is: 8,707.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,025.92 : 15,215.36 = 6,310.08 : x
  2. Step 2: Convert to fraction form
    11,025.92/15,215.36 = 6,310.08/x
  3. Step 3: Cross multiply
    11,025.92x = 15,215.36 × 6,310.08
  4. Step 4: Simplify right side
    11,025.92x = 96,010,138.83
  5. Step 5: Solve for x
    x = 96,010,138.83/11,025.92
  6. Step 6: Final answer
    x = 8,707.68

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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.