Home / 11,519.64-15,896.52-6,485.04

Finding the Fourth Proportional to 11,519.64, 15,896.52 and 6,485.04

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Solution

The fourth proportional to 11,519.64, 15,896.52 and 6,485.04 is: 8,949.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,519.64 : 15,896.52 = 6,485.04 : x
  2. Step 2: Convert to fraction form
    11,519.64/15,896.52 = 6,485.04/x
  3. Step 3: Cross multiply
    11,519.64x = 15,896.52 × 6,485.04
  4. Step 4: Simplify right side
    11,519.64x = 103,089,568.06
  5. Step 5: Solve for x
    x = 103,089,568.06/11,519.64
  6. Step 6: Final answer
    x = 8,949.03

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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.