Home / 18,068.82-27,119.43-15,125.69

Finding the Fourth Proportional to 18,068.82, 27,119.43 and 15,125.69

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Solution

The fourth proportional to 18,068.82, 27,119.43 and 15,125.69 is: 22,702.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,068.82 : 27,119.43 = 15,125.69 : x
  2. Step 2: Convert to fraction form
    18,068.82/27,119.43 = 15,125.69/x
  3. Step 3: Cross multiply
    18,068.82x = 27,119.43 × 15,125.69
  4. Step 4: Simplify right side
    18,068.82x = 410,199,955.56
  5. Step 5: Solve for x
    x = 410,199,955.56/18,068.82
  6. Step 6: Final answer
    x = 22,702.09

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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.