Home / 17,383.55-23,980.47-10,999.38

Finding the Fourth Proportional to 17,383.55, 23,980.47 and 10,999.38

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Solution

The fourth proportional to 17,383.55, 23,980.47 and 10,999.38 is: 15,173.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,383.55 : 23,980.47 = 10,999.38 : x
  2. Step 2: Convert to fraction form
    17,383.55/23,980.47 = 10,999.38/x
  3. Step 3: Cross multiply
    17,383.55x = 23,980.47 × 10,999.38
  4. Step 4: Simplify right side
    17,383.55x = 263,770,302.11
  5. Step 5: Solve for x
    x = 263,770,302.11/17,383.55
  6. Step 6: Final answer
    x = 15,173.56

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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.