Home / 18,613.45-27,924.75-9,257.90

Finding the Fourth Proportional to 18,613.45, 27,924.75 and 9,257.90

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Solution

The fourth proportional to 18,613.45, 27,924.75 and 9,257.90 is: 13,889.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,613.45 : 27,924.75 = 9,257.90 : x
  2. Step 2: Convert to fraction form
    18,613.45/27,924.75 = 9,257.90/x
  3. Step 3: Cross multiply
    18,613.45x = 27,924.75 × 9,257.90
  4. Step 4: Simplify right side
    18,613.45x = 258,524,403.40
  5. Step 5: Solve for x
    x = 258,524,403.40/18,613.45
  6. Step 6: Final answer
    x = 13,889.12

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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.