Home / 9,669.66-13,336.59-6,481.91

Finding the Fourth Proportional to 9,669.66, 13,336.59 and 6,481.91

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Solution

The fourth proportional to 9,669.66, 13,336.59 and 6,481.91 is: 8,939.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,669.66 : 13,336.59 = 6,481.91 : x
  2. Step 2: Convert to fraction form
    9,669.66/13,336.59 = 6,481.91/x
  3. Step 3: Cross multiply
    9,669.66x = 13,336.59 × 6,481.91
  4. Step 4: Simplify right side
    9,669.66x = 86,446,509.40
  5. Step 5: Solve for x
    x = 86,446,509.40/9,669.66
  6. Step 6: Final answer
    x = 8,939.97

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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.