Home / 18,291.22-27,438.85-7,196.45

Finding the Fourth Proportional to 18,291.22, 27,438.85 and 7,196.45

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Solution

The fourth proportional to 18,291.22, 27,438.85 and 7,196.45 is: 10,795.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,291.22 : 27,438.85 = 7,196.45 : x
  2. Step 2: Convert to fraction form
    18,291.22/27,438.85 = 7,196.45/x
  3. Step 3: Cross multiply
    18,291.22x = 27,438.85 × 7,196.45
  4. Step 4: Simplify right side
    18,291.22x = 197,462,183.88
  5. Step 5: Solve for x
    x = 197,462,183.88/18,291.22
  6. Step 6: Final answer
    x = 10,795.46

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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.