Home / 20,035.49-30,053.09-8,186.73

Finding the Fourth Proportional to 20,035.49, 30,053.09 and 8,186.73

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Solution

The fourth proportional to 20,035.49, 30,053.09 and 8,186.73 is: 12,280.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,035.49 : 30,053.09 = 8,186.73 : x
  2. Step 2: Convert to fraction form
    20,035.49/30,053.09 = 8,186.73/x
  3. Step 3: Cross multiply
    20,035.49x = 30,053.09 × 8,186.73
  4. Step 4: Simplify right side
    20,035.49x = 246,036,492.56
  5. Step 5: Solve for x
    x = 246,036,492.56/20,035.49
  6. Step 6: Final answer
    x = 12,280.04

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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.