Home / 18,288.57-27,416.82-8,796.12

Finding the Fourth Proportional to 18,288.57, 27,416.82 and 8,796.12

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Solution

The fourth proportional to 18,288.57, 27,416.82 and 8,796.12 is: 13,186.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,288.57 : 27,416.82 = 8,796.12 : x
  2. Step 2: Convert to fraction form
    18,288.57/27,416.82 = 8,796.12/x
  3. Step 3: Cross multiply
    18,288.57x = 27,416.82 × 8,796.12
  4. Step 4: Simplify right side
    18,288.57x = 241,161,638.74
  5. Step 5: Solve for x
    x = 241,161,638.74/18,288.57
  6. Step 6: Final answer
    x = 13,186.47

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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.