Home / 18,284.61-27,436.84-7,760.55

Finding the Fourth Proportional to 18,284.61, 27,436.84 and 7,760.55

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Solution

The fourth proportional to 18,284.61, 27,436.84 and 7,760.55 is: 11,645.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,284.61 : 27,436.84 = 7,760.55 : x
  2. Step 2: Convert to fraction form
    18,284.61/27,436.84 = 7,760.55/x
  3. Step 3: Cross multiply
    18,284.61x = 27,436.84 × 7,760.55
  4. Step 4: Simplify right side
    18,284.61x = 212,924,949.26
  5. Step 5: Solve for x
    x = 212,924,949.26/18,284.61
  6. Step 6: Final answer
    x = 11,645.04

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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.