Home / 12,907.44-19,359.72-3,548.16

Finding the Fourth Proportional to 12,907.44, 19,359.72 and 3,548.16

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Solution

The fourth proportional to 12,907.44, 19,359.72 and 3,548.16 is: 5,321.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,907.44 : 19,359.72 = 3,548.16 : x
  2. Step 2: Convert to fraction form
    12,907.44/19,359.72 = 3,548.16/x
  3. Step 3: Cross multiply
    12,907.44x = 19,359.72 × 3,548.16
  4. Step 4: Simplify right side
    12,907.44x = 68,691,384.12
  5. Step 5: Solve for x
    x = 68,691,384.12/12,907.44
  6. Step 6: Final answer
    x = 5,321.84

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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.