Home / 9,219.80-13,815.67-6,756.25

Finding the Fourth Proportional to 9,219.80, 13,815.67 and 6,756.25

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Solution

The fourth proportional to 9,219.80, 13,815.67 and 6,756.25 is: 10,124.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,219.80 : 13,815.67 = 6,756.25 : x
  2. Step 2: Convert to fraction form
    9,219.80/13,815.67 = 6,756.25/x
  3. Step 3: Cross multiply
    9,219.80x = 13,815.67 × 6,756.25
  4. Step 4: Simplify right side
    9,219.80x = 93,342,120.44
  5. Step 5: Solve for x
    x = 93,342,120.44/9,219.80
  6. Step 6: Final answer
    x = 10,124.09

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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.