Home / 18,142.57-27,214.87-5,664.32

Finding the Fourth Proportional to 18,142.57, 27,214.87 and 5,664.32

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Solution

The fourth proportional to 18,142.57, 27,214.87 and 5,664.32 is: 8,496.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,142.57 : 27,214.87 = 5,664.32 : x
  2. Step 2: Convert to fraction form
    18,142.57/27,214.87 = 5,664.32/x
  3. Step 3: Cross multiply
    18,142.57x = 27,214.87 × 5,664.32
  4. Step 4: Simplify right side
    18,142.57x = 154,153,732.44
  5. Step 5: Solve for x
    x = 154,153,732.44/18,142.57
  6. Step 6: Final answer
    x = 8,496.80

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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.