Home / 18,536.36-27,810.20-5,388.84

Finding the Fourth Proportional to 18,536.36, 27,810.20 and 5,388.84

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Solution

The fourth proportional to 18,536.36, 27,810.20 and 5,388.84 is: 8,084.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,536.36 : 27,810.20 = 5,388.84 : x
  2. Step 2: Convert to fraction form
    18,536.36/27,810.20 = 5,388.84/x
  3. Step 3: Cross multiply
    18,536.36x = 27,810.20 × 5,388.84
  4. Step 4: Simplify right side
    18,536.36x = 149,864,731.64
  5. Step 5: Solve for x
    x = 149,864,731.64/18,536.36
  6. Step 6: Final answer
    x = 8,084.91

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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.