Home / 13,360.42-20,035.15-3,997.14

Finding the Fourth Proportional to 13,360.42, 20,035.15 and 3,997.14

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Solution

The fourth proportional to 13,360.42, 20,035.15 and 3,997.14 is: 5,994.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,360.42 : 20,035.15 = 3,997.14 : x
  2. Step 2: Convert to fraction form
    13,360.42/20,035.15 = 3,997.14/x
  3. Step 3: Cross multiply
    13,360.42x = 20,035.15 × 3,997.14
  4. Step 4: Simplify right side
    13,360.42x = 80,083,299.47
  5. Step 5: Solve for x
    x = 80,083,299.47/13,360.42
  6. Step 6: Final answer
    x = 5,994.07

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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.