Home / 13,906.42-20,858.96-4,545.25

Finding the Fourth Proportional to 13,906.42, 20,858.96 and 4,545.25

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Solution

The fourth proportional to 13,906.42, 20,858.96 and 4,545.25 is: 6,817.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,906.42 : 20,858.96 = 4,545.25 : x
  2. Step 2: Convert to fraction form
    13,906.42/20,858.96 = 4,545.25/x
  3. Step 3: Cross multiply
    13,906.42x = 20,858.96 × 4,545.25
  4. Step 4: Simplify right side
    13,906.42x = 94,809,147.16
  5. Step 5: Solve for x
    x = 94,809,147.16/13,906.42
  6. Step 6: Final answer
    x = 6,817.65

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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.