Home / 13,269.41-19,906.98-4,385.12

Finding the Fourth Proportional to 13,269.41, 19,906.98 and 4,385.12

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Solution

The fourth proportional to 13,269.41, 19,906.98 and 4,385.12 is: 6,578.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269.41 : 19,906.98 = 4,385.12 : x
  2. Step 2: Convert to fraction form
    13,269.41/19,906.98 = 4,385.12/x
  3. Step 3: Cross multiply
    13,269.41x = 19,906.98 × 4,385.12
  4. Step 4: Simplify right side
    13,269.41x = 87,294,396.60
  5. Step 5: Solve for x
    x = 87,294,396.60/13,269.41
  6. Step 6: Final answer
    x = 6,578.62

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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.