Home / 11,940.20-17,907.99-11,347.51

Finding the Fourth Proportional to 11,940.20, 17,907.99 and 11,347.51

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Solution

The fourth proportional to 11,940.20, 17,907.99 and 11,347.51 is: 17,019.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,940.20 : 17,907.99 = 11,347.51 : x
  2. Step 2: Convert to fraction form
    11,940.20/17,907.99 = 11,347.51/x
  3. Step 3: Cross multiply
    11,940.20x = 17,907.99 × 11,347.51
  4. Step 4: Simplify right side
    11,940.20x = 203,211,079.20
  5. Step 5: Solve for x
    x = 203,211,079.20/11,940.20
  6. Step 6: Final answer
    x = 17,019.08

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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.