Home / 20,157.48-30,236.18-7,009.83

Finding the Fourth Proportional to 20,157.48, 30,236.18 and 7,009.83

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Solution

The fourth proportional to 20,157.48, 30,236.18 and 7,009.83 is: 10,514.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,157.48 : 30,236.18 = 7,009.83 : x
  2. Step 2: Convert to fraction form
    20,157.48/30,236.18 = 7,009.83/x
  3. Step 3: Cross multiply
    20,157.48x = 30,236.18 × 7,009.83
  4. Step 4: Simplify right side
    20,157.48x = 211,950,446.60
  5. Step 5: Solve for x
    x = 211,950,446.60/20,157.48
  6. Step 6: Final answer
    x = 10,514.73

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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.