Home / 11,028.54-15,215.41-7,051.85

Finding the Fourth Proportional to 11,028.54, 15,215.41 and 7,051.85

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Solution

The fourth proportional to 11,028.54, 15,215.41 and 7,051.85 is: 9,729.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028.54 : 15,215.41 = 7,051.85 : x
  2. Step 2: Convert to fraction form
    11,028.54/15,215.41 = 7,051.85/x
  3. Step 3: Cross multiply
    11,028.54x = 15,215.41 × 7,051.85
  4. Step 4: Simplify right side
    11,028.54x = 107,296,789.01
  5. Step 5: Solve for x
    x = 107,296,789.01/11,028.54
  6. Step 6: Final answer
    x = 9,729.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.