Home / 18,166.28-25,069.48-10,208.57

Finding the Fourth Proportional to 18,166.28, 25,069.48 and 10,208.57

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Solution

The fourth proportional to 18,166.28, 25,069.48 and 10,208.57 is: 14,087.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,166.28 : 25,069.48 = 10,208.57 : x
  2. Step 2: Convert to fraction form
    18,166.28/25,069.48 = 10,208.57/x
  3. Step 3: Cross multiply
    18,166.28x = 25,069.48 × 10,208.57
  4. Step 4: Simplify right side
    18,166.28x = 255,923,390.57
  5. Step 5: Solve for x
    x = 255,923,390.57/18,166.28
  6. Step 6: Final answer
    x = 14,087.83

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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.