Home / 11,310.20-15,604.34-6,832.25

Finding the Fourth Proportional to 11,310.20, 15,604.34 and 6,832.25

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Solution

The fourth proportional to 11,310.20, 15,604.34 and 6,832.25 is: 9,426.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,310.20 : 15,604.34 = 6,832.25 : x
  2. Step 2: Convert to fraction form
    11,310.20/15,604.34 = 6,832.25/x
  3. Step 3: Cross multiply
    11,310.20x = 15,604.34 × 6,832.25
  4. Step 4: Simplify right side
    11,310.20x = 106,612,639.78
  5. Step 5: Solve for x
    x = 106,612,639.78/11,310.20
  6. Step 6: Final answer
    x = 9,426.24

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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.