Home / 9,185.20-12,675.67-4,993.54

Finding the Fourth Proportional to 9,185.20, 12,675.67 and 4,993.54

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Solution

The fourth proportional to 9,185.20, 12,675.67 and 4,993.54 is: 6,891.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,185.20 : 12,675.67 = 4,993.54 : x
  2. Step 2: Convert to fraction form
    9,185.20/12,675.67 = 4,993.54/x
  3. Step 3: Cross multiply
    9,185.20x = 12,675.67 × 4,993.54
  4. Step 4: Simplify right side
    9,185.20x = 63,296,506.34
  5. Step 5: Solve for x
    x = 63,296,506.34/9,185.20
  6. Step 6: Final answer
    x = 6,891.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.