Home / 10,363.75-15,545.67-3,438.25

Finding the Fourth Proportional to 10,363.75, 15,545.67 and 3,438.25

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Solution

The fourth proportional to 10,363.75, 15,545.67 and 3,438.25 is: 5,157.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,363.75 : 15,545.67 = 3,438.25 : x
  2. Step 2: Convert to fraction form
    10,363.75/15,545.67 = 3,438.25/x
  3. Step 3: Cross multiply
    10,363.75x = 15,545.67 × 3,438.25
  4. Step 4: Simplify right side
    10,363.75x = 53,449,899.88
  5. Step 5: Solve for x
    x = 53,449,899.88/10,363.75
  6. Step 6: Final answer
    x = 5,157.39

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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.