Home / 11,208.20-15,468.68-6,734.30

Finding the Fourth Proportional to 11,208.20, 15,468.68 and 6,734.30

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Solution

The fourth proportional to 11,208.20, 15,468.68 and 6,734.30 is: 9,294.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,208.20 : 15,468.68 = 6,734.30 : x
  2. Step 2: Convert to fraction form
    11,208.20/15,468.68 = 6,734.30/x
  3. Step 3: Cross multiply
    11,208.20x = 15,468.68 × 6,734.30
  4. Step 4: Simplify right side
    11,208.20x = 104,170,698.05
  5. Step 5: Solve for x
    x = 104,170,698.05/11,208.20
  6. Step 6: Final answer
    x = 9,294.15

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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.