Home / 8,293.60-12,426.39-6,986.26

Finding the Fourth Proportional to 8,293.60, 12,426.39 and 6,986.26

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Solution

The fourth proportional to 8,293.60, 12,426.39 and 6,986.26 is: 10,467.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,293.60 : 12,426.39 = 6,986.26 : x
  2. Step 2: Convert to fraction form
    8,293.60/12,426.39 = 6,986.26/x
  3. Step 3: Cross multiply
    8,293.60x = 12,426.39 × 6,986.26
  4. Step 4: Simplify right side
    8,293.60x = 86,813,991.40
  5. Step 5: Solve for x
    x = 86,813,991.40/8,293.60
  6. Step 6: Final answer
    x = 10,467.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.