Home / 9,099.94-12,557.87-5,121.11

Finding the Fourth Proportional to 9,099.94, 12,557.87 and 5,121.11

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Solution

The fourth proportional to 9,099.94, 12,557.87 and 5,121.11 is: 7,067.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,099.94 : 12,557.87 = 5,121.11 : x
  2. Step 2: Convert to fraction form
    9,099.94/12,557.87 = 5,121.11/x
  3. Step 3: Cross multiply
    9,099.94x = 12,557.87 × 5,121.11
  4. Step 4: Simplify right side
    9,099.94x = 64,310,208.03
  5. Step 5: Solve for x
    x = 64,310,208.03/9,099.94
  6. Step 6: Final answer
    x = 7,067.11

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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.