Home / 18,164.73-27,221.72-8,802.27

Finding the Fourth Proportional to 18,164.73, 27,221.72 and 8,802.27

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Solution

The fourth proportional to 18,164.73, 27,221.72 and 8,802.27 is: 13,191.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,164.73 : 27,221.72 = 8,802.27 : x
  2. Step 2: Convert to fraction form
    18,164.73/27,221.72 = 8,802.27/x
  3. Step 3: Cross multiply
    18,164.73x = 27,221.72 × 8,802.27
  4. Step 4: Simplify right side
    18,164.73x = 239,612,819.96
  5. Step 5: Solve for x
    x = 239,612,819.96/18,164.73
  6. Step 6: Final answer
    x = 13,191.10

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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.