Home / 18,290.62-27,437.21-7,759.44

Finding the Fourth Proportional to 18,290.62, 27,437.21 and 7,759.44

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Solution

The fourth proportional to 18,290.62, 27,437.21 and 7,759.44 is: 11,639.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,290.62 : 27,437.21 = 7,759.44 : x
  2. Step 2: Convert to fraction form
    18,290.62/27,437.21 = 7,759.44/x
  3. Step 3: Cross multiply
    18,290.62x = 27,437.21 × 7,759.44
  4. Step 4: Simplify right side
    18,290.62x = 212,897,384.76
  5. Step 5: Solve for x
    x = 212,897,384.76/18,290.62
  6. Step 6: Final answer
    x = 11,639.70

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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.