Home / 18,571.50-25,628.67-10,188.18

Finding the Fourth Proportional to 18,571.50, 25,628.67 and 10,188.18

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Solution

The fourth proportional to 18,571.50, 25,628.67 and 10,188.18 is: 14,059.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,571.50 : 25,628.67 = 10,188.18 : x
  2. Step 2: Convert to fraction form
    18,571.50/25,628.67 = 10,188.18/x
  3. Step 3: Cross multiply
    18,571.50x = 25,628.67 × 10,188.18
  4. Step 4: Simplify right side
    18,571.50x = 261,109,503.12
  5. Step 5: Solve for x
    x = 261,109,503.12/18,571.50
  6. Step 6: Final answer
    x = 14,059.69

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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.