Home / 12,907.36-19,359.21-4,141.14

Finding the Fourth Proportional to 12,907.36, 19,359.21 and 4,141.14

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Solution

The fourth proportional to 12,907.36, 19,359.21 and 4,141.14 is: 6,211.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,907.36 : 19,359.21 = 4,141.14 : x
  2. Step 2: Convert to fraction form
    12,907.36/19,359.21 = 4,141.14/x
  3. Step 3: Cross multiply
    12,907.36x = 19,359.21 × 4,141.14
  4. Step 4: Simplify right side
    12,907.36x = 80,169,198.90
  5. Step 5: Solve for x
    x = 80,169,198.90/12,907.36
  6. Step 6: Final answer
    x = 6,211.12

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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.