Home / 13,290.24-19,943.21-4,855.99

Finding the Fourth Proportional to 13,290.24, 19,943.21 and 4,855.99

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Solution

The fourth proportional to 13,290.24, 19,943.21 and 4,855.99 is: 7,286.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,290.24 : 19,943.21 = 4,855.99 : x
  2. Step 2: Convert to fraction form
    13,290.24/19,943.21 = 4,855.99/x
  3. Step 3: Cross multiply
    13,290.24x = 19,943.21 × 4,855.99
  4. Step 4: Simplify right side
    13,290.24x = 96,844,004.05
  5. Step 5: Solve for x
    x = 96,844,004.05/13,290.24
  6. Step 6: Final answer
    x = 7,286.85

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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.