Home / 12,822.46-19,236.02-3,937.60

Finding the Fourth Proportional to 12,822.46, 19,236.02 and 3,937.60

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Solution

The fourth proportional to 12,822.46, 19,236.02 and 3,937.60 is: 5,907.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,822.46 : 19,236.02 = 3,937.60 : x
  2. Step 2: Convert to fraction form
    12,822.46/19,236.02 = 3,937.60/x
  3. Step 3: Cross multiply
    12,822.46x = 19,236.02 × 3,937.60
  4. Step 4: Simplify right side
    12,822.46x = 75,743,752.35
  5. Step 5: Solve for x
    x = 75,743,752.35/12,822.46
  6. Step 6: Final answer
    x = 5,907.12

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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.