Home / 18,257.82-27,330.84-11,690.34

Finding the Fourth Proportional to 18,257.82, 27,330.84 and 11,690.34

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Solution

The fourth proportional to 18,257.82, 27,330.84 and 11,690.34 is: 17,499.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,257.82 : 27,330.84 = 11,690.34 : x
  2. Step 2: Convert to fraction form
    18,257.82/27,330.84 = 11,690.34/x
  3. Step 3: Cross multiply
    18,257.82x = 27,330.84 × 11,690.34
  4. Step 4: Simplify right side
    18,257.82x = 319,506,812.09
  5. Step 5: Solve for x
    x = 319,506,812.09/18,257.82
  6. Step 6: Final answer
    x = 17,499.72

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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.