Home / 12,944.12-19,366.92-8,001.50

Finding the Fourth Proportional to 12,944.12, 19,366.92 and 8,001.50

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Solution

The fourth proportional to 12,944.12, 19,366.92 and 8,001.50 is: 11,971.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,944.12 : 19,366.92 = 8,001.50 : x
  2. Step 2: Convert to fraction form
    12,944.12/19,366.92 = 8,001.50/x
  3. Step 3: Cross multiply
    12,944.12x = 19,366.92 × 8,001.50
  4. Step 4: Simplify right side
    12,944.12x = 154,964,410.38
  5. Step 5: Solve for x
    x = 154,964,410.38/12,944.12
  6. Step 6: Final answer
    x = 11,971.80

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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.