Home / 8,669.62-11,976.33-6,898.96

Finding the Fourth Proportional to 8,669.62, 11,976.33 and 6,898.96

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Solution

The fourth proportional to 8,669.62, 11,976.33 and 6,898.96 is: 9,530.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,669.62 : 11,976.33 = 6,898.96 : x
  2. Step 2: Convert to fraction form
    8,669.62/11,976.33 = 6,898.96/x
  3. Step 3: Cross multiply
    8,669.62x = 11,976.33 × 6,898.96
  4. Step 4: Simplify right side
    8,669.62x = 82,624,225.69
  5. Step 5: Solve for x
    x = 82,624,225.69/8,669.62
  6. Step 6: Final answer
    x = 9,530.31

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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.