Home / 8,683.80-13,025.60-2,109.98

Finding the Fourth Proportional to 8,683.80, 13,025.60 and 2,109.98

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Solution

The fourth proportional to 8,683.80, 13,025.60 and 2,109.98 is: 3,164.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,683.80 : 13,025.60 = 2,109.98 : x
  2. Step 2: Convert to fraction form
    8,683.80/13,025.60 = 2,109.98/x
  3. Step 3: Cross multiply
    8,683.80x = 13,025.60 × 2,109.98
  4. Step 4: Simplify right side
    8,683.80x = 27,483,755.49
  5. Step 5: Solve for x
    x = 27,483,755.49/8,683.80
  6. Step 6: Final answer
    x = 3,164.95

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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.