Home / 9,785.90-13,506.68-6,198.54

Finding the Fourth Proportional to 9,785.90, 13,506.68 and 6,198.54

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Solution

The fourth proportional to 9,785.90, 13,506.68 and 6,198.54 is: 8,555.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,785.90 : 13,506.68 = 6,198.54 : x
  2. Step 2: Convert to fraction form
    9,785.90/13,506.68 = 6,198.54/x
  3. Step 3: Cross multiply
    9,785.90x = 13,506.68 × 6,198.54
  4. Step 4: Simplify right side
    9,785.90x = 83,721,696.25
  5. Step 5: Solve for x
    x = 83,721,696.25/9,785.90
  6. Step 6: Final answer
    x = 8,555.34

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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.