Home / 9,099.65-12,556.49-5,122.13

Finding the Fourth Proportional to 9,099.65, 12,556.49 and 5,122.13

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Solution

The fourth proportional to 9,099.65, 12,556.49 and 5,122.13 is: 7,067.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,099.65 : 12,556.49 = 5,122.13 : x
  2. Step 2: Convert to fraction form
    9,099.65/12,556.49 = 5,122.13/x
  3. Step 3: Cross multiply
    9,099.65x = 12,556.49 × 5,122.13
  4. Step 4: Simplify right side
    9,099.65x = 64,315,924.15
  5. Step 5: Solve for x
    x = 64,315,924.15/9,099.65
  6. Step 6: Final answer
    x = 7,067.96

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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.