Home / 15,620.07-21,556.23-8,546.49

Finding the Fourth Proportional to 15,620.07, 21,556.23 and 8,546.49

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Solution

The fourth proportional to 15,620.07, 21,556.23 and 8,546.49 is: 11,794.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,620.07 : 21,556.23 = 8,546.49 : x
  2. Step 2: Convert to fraction form
    15,620.07/21,556.23 = 8,546.49/x
  3. Step 3: Cross multiply
    15,620.07x = 21,556.23 × 8,546.49
  4. Step 4: Simplify right side
    15,620.07x = 184,230,104.13
  5. Step 5: Solve for x
    x = 184,230,104.13/15,620.07
  6. Step 6: Final answer
    x = 11,794.45

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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.