Home / 11,720.37-17,556.99-5,471.76

Finding the Fourth Proportional to 11,720.37, 17,556.99 and 5,471.76

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Solution

The fourth proportional to 11,720.37, 17,556.99 and 5,471.76 is: 8,196.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,720.37 : 17,556.99 = 5,471.76 : x
  2. Step 2: Convert to fraction form
    11,720.37/17,556.99 = 5,471.76/x
  3. Step 3: Cross multiply
    11,720.37x = 17,556.99 × 5,471.76
  4. Step 4: Simplify right side
    11,720.37x = 96,067,547.82
  5. Step 5: Solve for x
    x = 96,067,547.82/11,720.37
  6. Step 6: Final answer
    x = 8,196.63

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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.