Home / 20,494.23-30,727.85-8,015.64

Finding the Fourth Proportional to 20,494.23, 30,727.85 and 8,015.64

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Solution

The fourth proportional to 20,494.23, 30,727.85 and 8,015.64 is: 12,018.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,494.23 : 30,727.85 = 8,015.64 : x
  2. Step 2: Convert to fraction form
    20,494.23/30,727.85 = 8,015.64/x
  3. Step 3: Cross multiply
    20,494.23x = 30,727.85 × 8,015.64
  4. Step 4: Simplify right side
    20,494.23x = 246,303,343.50
  5. Step 5: Solve for x
    x = 246,303,343.50/20,494.23
  6. Step 6: Final answer
    x = 12,018.18

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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.