Home / 13,813.41-20,683.21-8,252.96

Finding the Fourth Proportional to 13,813.41, 20,683.21 and 8,252.96

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Solution

The fourth proportional to 13,813.41, 20,683.21 and 8,252.96 is: 12,357.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,813.41 : 20,683.21 = 8,252.96 : x
  2. Step 2: Convert to fraction form
    13,813.41/20,683.21 = 8,252.96/x
  3. Step 3: Cross multiply
    13,813.41x = 20,683.21 × 8,252.96
  4. Step 4: Simplify right side
    13,813.41x = 170,697,782.35
  5. Step 5: Solve for x
    x = 170,697,782.35/13,813.41
  6. Step 6: Final answer
    x = 12,357.40

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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.