Home / 17,172.58-23,709.54-13,186.54

Finding the Fourth Proportional to 17,172.58, 23,709.54 and 13,186.54

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Solution

The fourth proportional to 17,172.58, 23,709.54 and 13,186.54 is: 18,206.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,172.58 : 23,709.54 = 13,186.54 : x
  2. Step 2: Convert to fraction form
    17,172.58/23,709.54 = 13,186.54/x
  3. Step 3: Cross multiply
    17,172.58x = 23,709.54 × 13,186.54
  4. Step 4: Simplify right side
    17,172.58x = 312,646,797.59
  5. Step 5: Solve for x
    x = 312,646,797.59/17,172.58
  6. Step 6: Final answer
    x = 18,206.16

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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.