Home / 20,231.68-30,360.48-9,837.76

Finding the Fourth Proportional to 20,231.68, 30,360.48 and 9,837.76

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Solution

The fourth proportional to 20,231.68, 30,360.48 and 9,837.76 is: 14,762.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,231.68 : 30,360.48 = 9,837.76 : x
  2. Step 2: Convert to fraction form
    20,231.68/30,360.48 = 9,837.76/x
  3. Step 3: Cross multiply
    20,231.68x = 30,360.48 × 9,837.76
  4. Step 4: Simplify right side
    20,231.68x = 298,679,115.72
  5. Step 5: Solve for x
    x = 298,679,115.72/20,231.68
  6. Step 6: Final answer
    x = 14,762.94

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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.