Home / 10,618.08-15,922.26-3,219.95

Finding the Fourth Proportional to 10,618.08, 15,922.26 and 3,219.95

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Solution

The fourth proportional to 10,618.08, 15,922.26 and 3,219.95 is: 4,828.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,618.08 : 15,922.26 = 3,219.95 : x
  2. Step 2: Convert to fraction form
    10,618.08/15,922.26 = 3,219.95/x
  3. Step 3: Cross multiply
    10,618.08x = 15,922.26 × 3,219.95
  4. Step 4: Simplify right side
    10,618.08x = 51,268,801.48
  5. Step 5: Solve for x
    x = 51,268,801.48/10,618.08
  6. Step 6: Final answer
    x = 4,828.44

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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.