Home / 8,731.32-13,096.63-2,157.34

Finding the Fourth Proportional to 8,731.32, 13,096.63 and 2,157.34

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Solution

The fourth proportional to 8,731.32, 13,096.63 and 2,157.34 is: 3,235.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.32 : 13,096.63 = 2,157.34 : x
  2. Step 2: Convert to fraction form
    8,731.32/13,096.63 = 2,157.34/x
  3. Step 3: Cross multiply
    8,731.32x = 13,096.63 × 2,157.34
  4. Step 4: Simplify right side
    8,731.32x = 28,253,872.98
  5. Step 5: Solve for x
    x = 28,253,872.98/8,731.32
  6. Step 6: Final answer
    x = 3,235.92

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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.