Home / 18,850.69-28,277.40-6,366.56

Finding the Fourth Proportional to 18,850.69, 28,277.40 and 6,366.56

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Solution

The fourth proportional to 18,850.69, 28,277.40 and 6,366.56 is: 9,550.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,850.69 : 28,277.40 = 6,366.56 : x
  2. Step 2: Convert to fraction form
    18,850.69/28,277.40 = 6,366.56/x
  3. Step 3: Cross multiply
    18,850.69x = 28,277.40 × 6,366.56
  4. Step 4: Simplify right side
    18,850.69x = 180,029,763.74
  5. Step 5: Solve for x
    x = 180,029,763.74/18,850.69
  6. Step 6: Final answer
    x = 9,550.30

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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.