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Finding the Fourth Proportional to 18,333.56, 27,491.04 and 8,959.56

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Solution

The fourth proportional to 18,333.56, 27,491.04 and 8,959.56 is: 13,434.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,333.56 : 27,491.04 = 8,959.56 : x
  2. Step 2: Convert to fraction form
    18,333.56/27,491.04 = 8,959.56/x
  3. Step 3: Cross multiply
    18,333.56x = 27,491.04 × 8,959.56
  4. Step 4: Simplify right side
    18,333.56x = 246,307,622.34
  5. Step 5: Solve for x
    x = 246,307,622.34/18,333.56
  6. Step 6: Final answer
    x = 13,434.80

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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.