Home / 17,189.78-23,716.69-11,130.44

Finding the Fourth Proportional to 17,189.78, 23,716.69 and 11,130.44

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Solution

The fourth proportional to 17,189.78, 23,716.69 and 11,130.44 is: 15,356.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,189.78 : 23,716.69 = 11,130.44 : x
  2. Step 2: Convert to fraction form
    17,189.78/23,716.69 = 11,130.44/x
  3. Step 3: Cross multiply
    17,189.78x = 23,716.69 × 11,130.44
  4. Step 4: Simplify right side
    17,189.78x = 263,977,048.63
  5. Step 5: Solve for x
    x = 263,977,048.63/17,189.78
  6. Step 6: Final answer
    x = 15,356.63

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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.