Home / 18,313.43-27,471.49-5,165.64

Finding the Fourth Proportional to 18,313.43, 27,471.49 and 5,165.64

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Solution

The fourth proportional to 18,313.43, 27,471.49 and 5,165.64 is: 7,748.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,313.43 : 27,471.49 = 5,165.64 : x
  2. Step 2: Convert to fraction form
    18,313.43/27,471.49 = 5,165.64/x
  3. Step 3: Cross multiply
    18,313.43x = 27,471.49 × 5,165.64
  4. Step 4: Simplify right side
    18,313.43x = 141,907,814.69
  5. Step 5: Solve for x
    x = 141,907,814.69/18,313.43
  6. Step 6: Final answer
    x = 7,748.84

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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.