Home / 12,167.62-18,261.69-4,777.27

Finding the Fourth Proportional to 12,167.62, 18,261.69 and 4,777.27

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Solution

The fourth proportional to 12,167.62, 18,261.69 and 4,777.27 is: 7,169.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,167.62 : 18,261.69 = 4,777.27 : x
  2. Step 2: Convert to fraction form
    12,167.62/18,261.69 = 4,777.27/x
  3. Step 3: Cross multiply
    12,167.62x = 18,261.69 × 4,777.27
  4. Step 4: Simplify right side
    12,167.62x = 87,241,023.79
  5. Step 5: Solve for x
    x = 87,241,023.79/12,167.62
  6. Step 6: Final answer
    x = 7,169.93

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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.