Home / 8,683.43-13,025.15-3,136.76

Finding the Fourth Proportional to 8,683.43, 13,025.15 and 3,136.76

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Solution

The fourth proportional to 8,683.43, 13,025.15 and 3,136.76 is: 4,705.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,683.43 : 13,025.15 = 3,136.76 : x
  2. Step 2: Convert to fraction form
    8,683.43/13,025.15 = 3,136.76/x
  3. Step 3: Cross multiply
    8,683.43x = 13,025.15 × 3,136.76
  4. Step 4: Simplify right side
    8,683.43x = 40,856,712.23
  5. Step 5: Solve for x
    x = 40,856,712.23/8,683.43
  6. Step 6: Final answer
    x = 4,705.13

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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.