Home / 18,759.74-28,125.63-6,272.37

Finding the Fourth Proportional to 18,759.74, 28,125.63 and 6,272.37

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Solution

The fourth proportional to 18,759.74, 28,125.63 and 6,272.37 is: 9,403.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,759.74 : 28,125.63 = 6,272.37 : x
  2. Step 2: Convert to fraction form
    18,759.74/28,125.63 = 6,272.37/x
  3. Step 3: Cross multiply
    18,759.74x = 28,125.63 × 6,272.37
  4. Step 4: Simplify right side
    18,759.74x = 176,414,357.84
  5. Step 5: Solve for x
    x = 176,414,357.84/18,759.74
  6. Step 6: Final answer
    x = 9,403.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.