Home / 12,396.63-18,591.27-4,075.11

Finding the Fourth Proportional to 12,396.63, 18,591.27 and 4,075.11

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Solution

The fourth proportional to 12,396.63, 18,591.27 and 4,075.11 is: 6,111.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,396.63 : 18,591.27 = 4,075.11 : x
  2. Step 2: Convert to fraction form
    12,396.63/18,591.27 = 4,075.11/x
  3. Step 3: Cross multiply
    12,396.63x = 18,591.27 × 4,075.11
  4. Step 4: Simplify right side
    12,396.63x = 75,761,470.29
  5. Step 5: Solve for x
    x = 75,761,470.29/12,396.63
  6. Step 6: Final answer
    x = 6,111.46

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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.