Home / 10,152.03-15,220.89-3,906.80

Finding the Fourth Proportional to 10,152.03, 15,220.89 and 3,906.80

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Solution

The fourth proportional to 10,152.03, 15,220.89 and 3,906.80 is: 5,857.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,152.03 : 15,220.89 = 3,906.80 : x
  2. Step 2: Convert to fraction form
    10,152.03/15,220.89 = 3,906.80/x
  3. Step 3: Cross multiply
    10,152.03x = 15,220.89 × 3,906.80
  4. Step 4: Simplify right side
    10,152.03x = 59,464,896.95
  5. Step 5: Solve for x
    x = 59,464,896.95/10,152.03
  6. Step 6: Final answer
    x = 5,857.44

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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.