Home / 9,099.16-12,554.94-5,120.44

Finding the Fourth Proportional to 9,099.16, 12,554.94 and 5,120.44

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Solution

The fourth proportional to 9,099.16, 12,554.94 and 5,120.44 is: 7,065.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,099.16 : 12,554.94 = 5,120.44 : x
  2. Step 2: Convert to fraction form
    9,099.16/12,554.94 = 5,120.44/x
  3. Step 3: Cross multiply
    9,099.16x = 12,554.94 × 5,120.44
  4. Step 4: Simplify right side
    9,099.16x = 64,286,816.97
  5. Step 5: Solve for x
    x = 64,286,816.97/9,099.16
  6. Step 6: Final answer
    x = 7,065.14

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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.