Home / 18,142.32-27,214.49-5,664.07

Finding the Fourth Proportional to 18,142.32, 27,214.49 and 5,664.07

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Solution

The fourth proportional to 18,142.32, 27,214.49 and 5,664.07 is: 8,496.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,142.32 : 27,214.49 = 5,664.07 : x
  2. Step 2: Convert to fraction form
    18,142.32/27,214.49 = 5,664.07/x
  3. Step 3: Cross multiply
    18,142.32x = 27,214.49 × 5,664.07
  4. Step 4: Simplify right side
    18,142.32x = 154,144,722.50
  5. Step 5: Solve for x
    x = 154,144,722.50/18,142.32
  6. Step 6: Final answer
    x = 8,496.42

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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.