Home / 12,516.96-17,263.76-8,738.88

Finding the Fourth Proportional to 12,516.96, 17,263.76 and 8,738.88

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Solution

The fourth proportional to 12,516.96, 17,263.76 and 8,738.88 is: 12,052.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,516.96 : 17,263.76 = 8,738.88 : x
  2. Step 2: Convert to fraction form
    12,516.96/17,263.76 = 8,738.88/x
  3. Step 3: Cross multiply
    12,516.96x = 17,263.76 × 8,738.88
  4. Step 4: Simplify right side
    12,516.96x = 150,865,926.99
  5. Step 5: Solve for x
    x = 150,865,926.99/12,516.96
  6. Step 6: Final answer
    x = 12,052.92

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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.