Home / 12,177.94-18,259.84-4,773.72

Finding the Fourth Proportional to 12,177.94, 18,259.84 and 4,773.72

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Solution

The fourth proportional to 12,177.94, 18,259.84 and 4,773.72 is: 7,157.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,177.94 : 18,259.84 = 4,773.72 : x
  2. Step 2: Convert to fraction form
    12,177.94/18,259.84 = 4,773.72/x
  3. Step 3: Cross multiply
    12,177.94x = 18,259.84 × 4,773.72
  4. Step 4: Simplify right side
    12,177.94x = 87,167,363.40
  5. Step 5: Solve for x
    x = 87,167,363.40/12,177.94
  6. Step 6: Final answer
    x = 7,157.81

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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.