Home / 11,021.44-15,209.74-5,985.68

Finding the Fourth Proportional to 11,021.44, 15,209.74 and 5,985.68

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Solution

The fourth proportional to 11,021.44, 15,209.74 and 5,985.68 is: 8,260.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021.44 : 15,209.74 = 5,985.68 : x
  2. Step 2: Convert to fraction form
    11,021.44/15,209.74 = 5,985.68/x
  3. Step 3: Cross multiply
    11,021.44x = 15,209.74 × 5,985.68
  4. Step 4: Simplify right side
    11,021.44x = 91,040,636.52
  5. Step 5: Solve for x
    x = 91,040,636.52/11,021.44
  6. Step 6: Final answer
    x = 8,260.32

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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.