Home / 18,282.72-27,431.58-9,393.61

Finding the Fourth Proportional to 18,282.72, 27,431.58 and 9,393.61

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Solution

The fourth proportional to 18,282.72, 27,431.58 and 9,393.61 is: 14,094.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,282.72 : 27,431.58 = 9,393.61 : x
  2. Step 2: Convert to fraction form
    18,282.72/27,431.58 = 9,393.61/x
  3. Step 3: Cross multiply
    18,282.72x = 27,431.58 × 9,393.61
  4. Step 4: Simplify right side
    18,282.72x = 257,681,530.85
  5. Step 5: Solve for x
    x = 257,681,530.85/18,282.72
  6. Step 6: Final answer
    x = 14,094.27

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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.