Home / 12,170.27-16,795.34-7,451.88

Finding the Fourth Proportional to 12,170.27, 16,795.34 and 7,451.88

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Solution

The fourth proportional to 12,170.27, 16,795.34 and 7,451.88 is: 10,283.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,170.27 : 16,795.34 = 7,451.88 : x
  2. Step 2: Convert to fraction form
    12,170.27/16,795.34 = 7,451.88/x
  3. Step 3: Cross multiply
    12,170.27x = 16,795.34 × 7,451.88
  4. Step 4: Simplify right side
    12,170.27x = 125,156,820.98
  5. Step 5: Solve for x
    x = 125,156,820.98/12,170.27
  6. Step 6: Final answer
    x = 10,283.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.