Home / 18,863.46-28,277.60-6,374.75

Finding the Fourth Proportional to 18,863.46, 28,277.60 and 6,374.75

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Solution

The fourth proportional to 18,863.46, 28,277.60 and 6,374.75 is: 9,556.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,863.46 : 28,277.60 = 6,374.75 : x
  2. Step 2: Convert to fraction form
    18,863.46/28,277.60 = 6,374.75/x
  3. Step 3: Cross multiply
    18,863.46x = 28,277.60 × 6,374.75
  4. Step 4: Simplify right side
    18,863.46x = 180,262,554.80
  5. Step 5: Solve for x
    x = 180,262,554.80/18,863.46
  6. Step 6: Final answer
    x = 9,556.18

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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.