Home / 18,142.63-27,214.96-5,664.38

Finding the Fourth Proportional to 18,142.63, 27,214.96 and 5,664.38

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Solution

The fourth proportional to 18,142.63, 27,214.96 and 5,664.38 is: 8,496.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,142.63 : 27,214.96 = 5,664.38 : x
  2. Step 2: Convert to fraction form
    18,142.63/27,214.96 = 5,664.38/x
  3. Step 3: Cross multiply
    18,142.63x = 27,214.96 × 5,664.38
  4. Step 4: Simplify right side
    18,142.63x = 154,155,882.21
  5. Step 5: Solve for x
    x = 154,155,882.21/18,142.63
  6. Step 6: Final answer
    x = 8,496.89

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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.