Home / 9,976.14-13,764.60-6,435.09

Finding the Fourth Proportional to 9,976.14, 13,764.60 and 6,435.09

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Solution

The fourth proportional to 9,976.14, 13,764.60 and 6,435.09 is: 8,878.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,976.14 : 13,764.60 = 6,435.09 : x
  2. Step 2: Convert to fraction form
    9,976.14/13,764.60 = 6,435.09/x
  3. Step 3: Cross multiply
    9,976.14x = 13,764.60 × 6,435.09
  4. Step 4: Simplify right side
    9,976.14x = 88,576,439.81
  5. Step 5: Solve for x
    x = 88,576,439.81/9,976.14
  6. Step 6: Final answer
    x = 8,878.83

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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.