Home / 9,910.60-13,683.80-6,379.96

Finding the Fourth Proportional to 9,910.60, 13,683.80 and 6,379.96

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Solution

The fourth proportional to 9,910.60, 13,683.80 and 6,379.96 is: 8,808.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,910.60 : 13,683.80 = 6,379.96 : x
  2. Step 2: Convert to fraction form
    9,910.60/13,683.80 = 6,379.96/x
  3. Step 3: Cross multiply
    9,910.60x = 13,683.80 × 6,379.96
  4. Step 4: Simplify right side
    9,910.60x = 87,302,096.65
  5. Step 5: Solve for x
    x = 87,302,096.65/9,910.60
  6. Step 6: Final answer
    x = 8,808.96

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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.