Home / 18,571.29-25,628.18-10,187.79

Finding the Fourth Proportional to 18,571.29, 25,628.18 and 10,187.79

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Solution

The fourth proportional to 18,571.29, 25,628.18 and 10,187.79 is: 14,059.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,571.29 : 25,628.18 = 10,187.79 : x
  2. Step 2: Convert to fraction form
    18,571.29/25,628.18 = 10,187.79/x
  3. Step 3: Cross multiply
    18,571.29x = 25,628.18 × 10,187.79
  4. Step 4: Simplify right side
    18,571.29x = 261,094,464.98
  5. Step 5: Solve for x
    x = 261,094,464.98/18,571.29
  6. Step 6: Final answer
    x = 14,059.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.