Home / 18,790.10-28,185.60-6,310.53

Finding the Fourth Proportional to 18,790.10, 28,185.60 and 6,310.53

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Solution

The fourth proportional to 18,790.10, 28,185.60 and 6,310.53 is: 9,465.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,790.10 : 28,185.60 = 6,310.53 : x
  2. Step 2: Convert to fraction form
    18,790.10/28,185.60 = 6,310.53/x
  3. Step 3: Cross multiply
    18,790.10x = 28,185.60 × 6,310.53
  4. Step 4: Simplify right side
    18,790.10x = 177,866,074.37
  5. Step 5: Solve for x
    x = 177,866,074.37/18,790.10
  6. Step 6: Final answer
    x = 9,465.95

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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.