Home / 12,171.67-18,259.35-3,848.92

Finding the Fourth Proportional to 12,171.67, 18,259.35 and 3,848.92

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Solution

The fourth proportional to 12,171.67, 18,259.35 and 3,848.92 is: 5,773.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,171.67 : 18,259.35 = 3,848.92 : x
  2. Step 2: Convert to fraction form
    12,171.67/18,259.35 = 3,848.92/x
  3. Step 3: Cross multiply
    12,171.67x = 18,259.35 × 3,848.92
  4. Step 4: Simplify right side
    12,171.67x = 70,278,666.86
  5. Step 5: Solve for x
    x = 70,278,666.86/12,171.67
  6. Step 6: Final answer
    x = 5,773.96

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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.