Home / 9,099.14-12,558.01-5,121.02

Finding the Fourth Proportional to 9,099.14, 12,558.01 and 5,121.02

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Solution

The fourth proportional to 9,099.14, 12,558.01 and 5,121.02 is: 7,067.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,099.14 : 12,558.01 = 5,121.02 : x
  2. Step 2: Convert to fraction form
    9,099.14/12,558.01 = 5,121.02/x
  3. Step 3: Cross multiply
    9,099.14x = 12,558.01 × 5,121.02
  4. Step 4: Simplify right side
    9,099.14x = 64,309,862.97
  5. Step 5: Solve for x
    x = 64,309,862.97/9,099.14
  6. Step 6: Final answer
    x = 7,067.69

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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.