Home / 12,731.80-19,096.80-5,333.56

Finding the Fourth Proportional to 12,731.80, 19,096.80 and 5,333.56

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Solution

The fourth proportional to 12,731.80, 19,096.80 and 5,333.56 is: 7,999.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,731.80 : 19,096.80 = 5,333.56 : x
  2. Step 2: Convert to fraction form
    12,731.80/19,096.80 = 5,333.56/x
  3. Step 3: Cross multiply
    12,731.80x = 19,096.80 × 5,333.56
  4. Step 4: Simplify right side
    12,731.80x = 101,853,928.61
  5. Step 5: Solve for x
    x = 101,853,928.61/12,731.80
  6. Step 6: Final answer
    x = 7,999.96

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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.