Home / 11,379.36-17,053.08-4,351.80

Finding the Fourth Proportional to 11,379.36, 17,053.08 and 4,351.80

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Solution

The fourth proportional to 11,379.36, 17,053.08 and 4,351.80 is: 6,521.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,379.36 : 17,053.08 = 4,351.80 : x
  2. Step 2: Convert to fraction form
    11,379.36/17,053.08 = 4,351.80/x
  3. Step 3: Cross multiply
    11,379.36x = 17,053.08 × 4,351.80
  4. Step 4: Simplify right side
    11,379.36x = 74,211,593.54
  5. Step 5: Solve for x
    x = 74,211,593.54/11,379.36
  6. Step 6: Final answer
    x = 6,521.60

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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.