Home / 18,213.12-27,302.40-8,968.32

Finding the Fourth Proportional to 18,213.12, 27,302.40 and 8,968.32

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Solution

The fourth proportional to 18,213.12, 27,302.40 and 8,968.32 is: 13,443.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,213.12 : 27,302.40 = 8,968.32 : x
  2. Step 2: Convert to fraction form
    18,213.12/27,302.40 = 8,968.32/x
  3. Step 3: Cross multiply
    18,213.12x = 27,302.40 × 8,968.32
  4. Step 4: Simplify right side
    18,213.12x = 244,856,659.97
  5. Step 5: Solve for x
    x = 244,856,659.97/18,213.12
  6. Step 6: Final answer
    x = 13,443.97

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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.