Home / 12,769.68-19,157.22-4,005.48

Finding the Fourth Proportional to 12,769.68, 19,157.22 and 4,005.48

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Solution

The fourth proportional to 12,769.68, 19,157.22 and 4,005.48 is: 6,009.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,769.68 : 19,157.22 = 4,005.48 : x
  2. Step 2: Convert to fraction form
    12,769.68/19,157.22 = 4,005.48/x
  3. Step 3: Cross multiply
    12,769.68x = 19,157.22 × 4,005.48
  4. Step 4: Simplify right side
    12,769.68x = 76,733,861.57
  5. Step 5: Solve for x
    x = 76,733,861.57/12,769.68
  6. Step 6: Final answer
    x = 6,009.07

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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.