Home / 20,118.08-30,174.96-6,268.16

Finding the Fourth Proportional to 20,118.08, 30,174.96 and 6,268.16

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Solution

The fourth proportional to 20,118.08, 30,174.96 and 6,268.16 is: 9,401.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,118.08 : 30,174.96 = 6,268.16 : x
  2. Step 2: Convert to fraction form
    20,118.08/30,174.96 = 6,268.16/x
  3. Step 3: Cross multiply
    20,118.08x = 30,174.96 × 6,268.16
  4. Step 4: Simplify right side
    20,118.08x = 189,141,477.27
  5. Step 5: Solve for x
    x = 189,141,477.27/20,118.08
  6. Step 6: Final answer
    x = 9,401.57

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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.