Home / 11,452.08-15,799.32-6,728.88

Finding the Fourth Proportional to 11,452.08, 15,799.32 and 6,728.88

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Solution

The fourth proportional to 11,452.08, 15,799.32 and 6,728.88 is: 9,283.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,452.08 : 15,799.32 = 6,728.88 : x
  2. Step 2: Convert to fraction form
    11,452.08/15,799.32 = 6,728.88/x
  3. Step 3: Cross multiply
    11,452.08x = 15,799.32 × 6,728.88
  4. Step 4: Simplify right side
    11,452.08x = 106,311,728.36
  5. Step 5: Solve for x
    x = 106,311,728.36/11,452.08
  6. Step 6: Final answer
    x = 9,283.18

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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.