Home / 13,239.36-19,853.20-6,221.37

Finding the Fourth Proportional to 13,239.36, 19,853.20 and 6,221.37

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Solution

The fourth proportional to 13,239.36, 19,853.20 and 6,221.37 is: 9,329.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,239.36 : 19,853.20 = 6,221.37 : x
  2. Step 2: Convert to fraction form
    13,239.36/19,853.20 = 6,221.37/x
  3. Step 3: Cross multiply
    13,239.36x = 19,853.20 × 6,221.37
  4. Step 4: Simplify right side
    13,239.36x = 123,514,102.88
  5. Step 5: Solve for x
    x = 123,514,102.88/13,239.36
  6. Step 6: Final answer
    x = 9,329.31

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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.