Home / 18,090.32-27,144.74-8,613.37

Finding the Fourth Proportional to 18,090.32, 27,144.74 and 8,613.37

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Solution

The fourth proportional to 18,090.32, 27,144.74 and 8,613.37 is: 12,924.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,090.32 : 27,144.74 = 8,613.37 : x
  2. Step 2: Convert to fraction form
    18,090.32/27,144.74 = 8,613.37/x
  3. Step 3: Cross multiply
    18,090.32x = 27,144.74 × 8,613.37
  4. Step 4: Simplify right side
    18,090.32x = 233,807,553.45
  5. Step 5: Solve for x
    x = 233,807,553.45/18,090.32
  6. Step 6: Final answer
    x = 12,924.46

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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.