Home / 10,620.54-15,930.84-3,225.06

Finding the Fourth Proportional to 10,620.54, 15,930.84 and 3,225.06

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Solution

The fourth proportional to 10,620.54, 15,930.84 and 3,225.06 is: 4,837.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,620.54 : 15,930.84 = 3,225.06 : x
  2. Step 2: Convert to fraction form
    10,620.54/15,930.84 = 3,225.06/x
  3. Step 3: Cross multiply
    10,620.54x = 15,930.84 × 3,225.06
  4. Step 4: Simplify right side
    10,620.54x = 51,377,914.85
  5. Step 5: Solve for x
    x = 51,377,914.85/10,620.54
  6. Step 6: Final answer
    x = 4,837.60

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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.