Home / 18,571.68-25,628.56-10,505.24

Finding the Fourth Proportional to 18,571.68, 25,628.56 and 10,505.24

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Solution

The fourth proportional to 18,571.68, 25,628.56 and 10,505.24 is: 14,497.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,571.68 : 25,628.56 = 10,505.24 : x
  2. Step 2: Convert to fraction form
    18,571.68/25,628.56 = 10,505.24/x
  3. Step 3: Cross multiply
    18,571.68x = 25,628.56 × 10,505.24
  4. Step 4: Simplify right side
    18,571.68x = 269,234,173.65
  5. Step 5: Solve for x
    x = 269,234,173.65/18,571.68
  6. Step 6: Final answer
    x = 14,497.03

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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.