Home / 9,669.16-13,335.90-6,481.41

Finding the Fourth Proportional to 9,669.16, 13,335.90 and 6,481.41

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Solution

The fourth proportional to 9,669.16, 13,335.90 and 6,481.41 is: 8,939.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,669.16 : 13,335.90 = 6,481.41 : x
  2. Step 2: Convert to fraction form
    9,669.16/13,335.90 = 6,481.41/x
  3. Step 3: Cross multiply
    9,669.16x = 13,335.90 × 6,481.41
  4. Step 4: Simplify right side
    9,669.16x = 86,435,435.62
  5. Step 5: Solve for x
    x = 86,435,435.62/9,669.16
  6. Step 6: Final answer
    x = 8,939.29

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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.