Home / 19,944.60-29,859.30-12,168.60

Finding the Fourth Proportional to 19,944.60, 29,859.30 and 12,168.60

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Solution

The fourth proportional to 19,944.60, 29,859.30 and 12,168.60 is: 18,217.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,944.60 : 29,859.30 = 12,168.60 : x
  2. Step 2: Convert to fraction form
    19,944.60/29,859.30 = 12,168.60/x
  3. Step 3: Cross multiply
    19,944.60x = 29,859.30 × 12,168.60
  4. Step 4: Simplify right side
    19,944.60x = 363,345,877.98
  5. Step 5: Solve for x
    x = 363,345,877.98/19,944.60
  6. Step 6: Final answer
    x = 18,217.76

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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.