Home / 17,285.72-23,857.86-11,243.51

Finding the Fourth Proportional to 17,285.72, 23,857.86 and 11,243.51

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Solution

The fourth proportional to 17,285.72, 23,857.86 and 11,243.51 is: 15,518.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,285.72 : 23,857.86 = 11,243.51 : x
  2. Step 2: Convert to fraction form
    17,285.72/23,857.86 = 11,243.51/x
  3. Step 3: Cross multiply
    17,285.72x = 23,857.86 × 11,243.51
  4. Step 4: Simplify right side
    17,285.72x = 268,246,087.49
  5. Step 5: Solve for x
    x = 268,246,087.49/17,285.72
  6. Step 6: Final answer
    x = 15,518.36

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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.