Home / 18,019.06-27,031.95-5,538.82

Finding the Fourth Proportional to 18,019.06, 27,031.95 and 5,538.82

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Solution

The fourth proportional to 18,019.06, 27,031.95 and 5,538.82 is: 8,309.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,019.06 : 27,031.95 = 5,538.82 : x
  2. Step 2: Convert to fraction form
    18,019.06/27,031.95 = 5,538.82/x
  3. Step 3: Cross multiply
    18,019.06x = 27,031.95 × 5,538.82
  4. Step 4: Simplify right side
    18,019.06x = 149,725,105.30
  5. Step 5: Solve for x
    x = 149,725,105.30/18,019.06
  6. Step 6: Final answer
    x = 8,309.26

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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.