Home / 20,226.49-30,339.89-6,186.77

Finding the Fourth Proportional to 20,226.49, 30,339.89 and 6,186.77

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Solution

The fourth proportional to 20,226.49, 30,339.89 and 6,186.77 is: 9,280.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,226.49 : 30,339.89 = 6,186.77 : x
  2. Step 2: Convert to fraction form
    20,226.49/30,339.89 = 6,186.77/x
  3. Step 3: Cross multiply
    20,226.49x = 30,339.89 × 6,186.77
  4. Step 4: Simplify right side
    20,226.49x = 187,705,978.33
  5. Step 5: Solve for x
    x = 187,705,978.33/20,226.49
  6. Step 6: Final answer
    x = 9,280.20

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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.