Home / 9,099.78-13,641.03-3,556.68

Finding the Fourth Proportional to 9,099.78, 13,641.03 and 3,556.68

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Solution

The fourth proportional to 9,099.78, 13,641.03 and 3,556.68 is: 5,331.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,099.78 : 13,641.03 = 3,556.68 : x
  2. Step 2: Convert to fraction form
    9,099.78/13,641.03 = 3,556.68/x
  3. Step 3: Cross multiply
    9,099.78x = 13,641.03 × 3,556.68
  4. Step 4: Simplify right side
    9,099.78x = 48,516,778.58
  5. Step 5: Solve for x
    x = 48,516,778.58/9,099.78
  6. Step 6: Final answer
    x = 5,331.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.