Home / 18,137.93-27,203.82-8,274.89

Finding the Fourth Proportional to 18,137.93, 27,203.82 and 8,274.89

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Solution

The fourth proportional to 18,137.93, 27,203.82 and 8,274.89 is: 12,410.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,137.93 : 27,203.82 = 8,274.89 : x
  2. Step 2: Convert to fraction form
    18,137.93/27,203.82 = 8,274.89/x
  3. Step 3: Cross multiply
    18,137.93x = 27,203.82 × 8,274.89
  4. Step 4: Simplify right side
    18,137.93x = 225,108,576.71
  5. Step 5: Solve for x
    x = 225,108,576.71/18,137.93
  6. Step 6: Final answer
    x = 12,410.93

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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.