Home / 13,683.96-20,501.33-12,724.41

Finding the Fourth Proportional to 13,683.96, 20,501.33 and 12,724.41

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Solution

The fourth proportional to 13,683.96, 20,501.33 and 12,724.41 is: 19,063.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,683.96 : 20,501.33 = 12,724.41 : x
  2. Step 2: Convert to fraction form
    13,683.96/20,501.33 = 12,724.41/x
  3. Step 3: Cross multiply
    13,683.96x = 20,501.33 × 12,724.41
  4. Step 4: Simplify right side
    13,683.96x = 260,867,264.84
  5. Step 5: Solve for x
    x = 260,867,264.84/13,683.96
  6. Step 6: Final answer
    x = 19,063.73

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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.