Home / 18,759.54-25,891.35-10,806.38

Finding the Fourth Proportional to 18,759.54, 25,891.35 and 10,806.38

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Solution

The fourth proportional to 18,759.54, 25,891.35 and 10,806.38 is: 14,914.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,759.54 : 25,891.35 = 10,806.38 : x
  2. Step 2: Convert to fraction form
    18,759.54/25,891.35 = 10,806.38/x
  3. Step 3: Cross multiply
    18,759.54x = 25,891.35 × 10,806.38
  4. Step 4: Simplify right side
    18,759.54x = 279,791,766.81
  5. Step 5: Solve for x
    x = 279,791,766.81/18,759.54
  6. Step 6: Final answer
    x = 14,914.64

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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.