Home / 9,821.06-13,557.71-6,286.33

Finding the Fourth Proportional to 9,821.06, 13,557.71 and 6,286.33

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Solution

The fourth proportional to 9,821.06, 13,557.71 and 6,286.33 is: 8,678.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,821.06 : 13,557.71 = 6,286.33 : x
  2. Step 2: Convert to fraction form
    9,821.06/13,557.71 = 6,286.33/x
  3. Step 3: Cross multiply
    9,821.06x = 13,557.71 × 6,286.33
  4. Step 4: Simplify right side
    9,821.06x = 85,228,195.51
  5. Step 5: Solve for x
    x = 85,228,195.51/9,821.06
  6. Step 6: Final answer
    x = 8,678.10

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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.