Home / 12,108.08-18,173.16-6,268.88

Finding the Fourth Proportional to 12,108.08, 18,173.16 and 6,268.88

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Solution

The fourth proportional to 12,108.08, 18,173.16 and 6,268.88 is: 9,409.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,108.08 : 18,173.16 = 6,268.88 : x
  2. Step 2: Convert to fraction form
    12,108.08/18,173.16 = 6,268.88/x
  3. Step 3: Cross multiply
    12,108.08x = 18,173.16 × 6,268.88
  4. Step 4: Simplify right side
    12,108.08x = 113,925,359.26
  5. Step 5: Solve for x
    x = 113,925,359.26/12,108.08
  6. Step 6: Final answer
    x = 9,409.04

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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.