Home / 10,961.62-15,127.19-6,485.26

Finding the Fourth Proportional to 10,961.62, 15,127.19 and 6,485.26

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Solution

The fourth proportional to 10,961.62, 15,127.19 and 6,485.26 is: 8,949.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961.62 : 15,127.19 = 6,485.26 : x
  2. Step 2: Convert to fraction form
    10,961.62/15,127.19 = 6,485.26/x
  3. Step 3: Cross multiply
    10,961.62x = 15,127.19 × 6,485.26
  4. Step 4: Simplify right side
    10,961.62x = 98,103,760.22
  5. Step 5: Solve for x
    x = 98,103,760.22/10,961.62
  6. Step 6: Final answer
    x = 8,949.75

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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.