Home / 18,143.34-27,215.94-4,995.42

Finding the Fourth Proportional to 18,143.34, 27,215.94 and 4,995.42

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Solution

The fourth proportional to 18,143.34, 27,215.94 and 4,995.42 is: 7,493.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,143.34 : 27,215.94 = 4,995.42 : x
  2. Step 2: Convert to fraction form
    18,143.34/27,215.94 = 4,995.42/x
  3. Step 3: Cross multiply
    18,143.34x = 27,215.94 × 4,995.42
  4. Step 4: Simplify right side
    18,143.34x = 135,955,050.99
  5. Step 5: Solve for x
    x = 135,955,050.99/18,143.34
  6. Step 6: Final answer
    x = 7,493.39

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Similar ratio
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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.