Home / 13,223.88-19,835.09-4,338.08

Finding the Fourth Proportional to 13,223.88, 19,835.09 and 4,338.08

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Solution

The fourth proportional to 13,223.88, 19,835.09 and 4,338.08 is: 6,506.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,223.88 : 19,835.09 = 4,338.08 : x
  2. Step 2: Convert to fraction form
    13,223.88/19,835.09 = 4,338.08/x
  3. Step 3: Cross multiply
    13,223.88x = 19,835.09 × 4,338.08
  4. Step 4: Simplify right side
    13,223.88x = 86,046,177.01
  5. Step 5: Solve for x
    x = 86,046,177.01/13,223.88
  6. Step 6: Final answer
    x = 6,506.88

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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.