Home / 17,984.59-26,973.82-8,121.55

Finding the Fourth Proportional to 17,984.59, 26,973.82 and 8,121.55

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Solution

The fourth proportional to 17,984.59, 26,973.82 and 8,121.55 is: 12,180.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,984.59 : 26,973.82 = 8,121.55 : x
  2. Step 2: Convert to fraction form
    17,984.59/26,973.82 = 8,121.55/x
  3. Step 3: Cross multiply
    17,984.59x = 26,973.82 × 8,121.55
  4. Step 4: Simplify right side
    17,984.59x = 219,069,227.82
  5. Step 5: Solve for x
    x = 219,069,227.82/17,984.59
  6. Step 6: Final answer
    x = 12,180.94

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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.