Home / 11,203.58-16,807.80-3,412.19

Finding the Fourth Proportional to 11,203.58, 16,807.80 and 3,412.19

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Solution

The fourth proportional to 11,203.58, 16,807.80 and 3,412.19 is: 5,119.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,203.58 : 16,807.80 = 3,412.19 : x
  2. Step 2: Convert to fraction form
    11,203.58/16,807.80 = 3,412.19/x
  3. Step 3: Cross multiply
    11,203.58x = 16,807.80 × 3,412.19
  4. Step 4: Simplify right side
    11,203.58x = 57,351,323.04
  5. Step 5: Solve for x
    x = 57,351,323.04/11,203.58
  6. Step 6: Final answer
    x = 5,119.02

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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.