Home / 17,383.30-23,980.12-10,999.13

Finding the Fourth Proportional to 17,383.30, 23,980.12 and 10,999.13

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Solution

The fourth proportional to 17,383.30, 23,980.12 and 10,999.13 is: 15,173.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,383.30 : 23,980.12 = 10,999.13 : x
  2. Step 2: Convert to fraction form
    17,383.30/23,980.12 = 10,999.13/x
  3. Step 3: Cross multiply
    17,383.30x = 23,980.12 × 10,999.13
  4. Step 4: Simplify right side
    17,383.30x = 263,760,530.99
  5. Step 5: Solve for x
    x = 263,760,530.99/17,383.30
  6. Step 6: Final answer
    x = 15,173.21

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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.