Home / 18,383.07-27,583.72-7,289.51

Finding the Fourth Proportional to 18,383.07, 27,583.72 and 7,289.51

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Solution

The fourth proportional to 18,383.07, 27,583.72 and 7,289.51 is: 10,937.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,383.07 : 27,583.72 = 7,289.51 : x
  2. Step 2: Convert to fraction form
    18,383.07/27,583.72 = 7,289.51/x
  3. Step 3: Cross multiply
    18,383.07x = 27,583.72 × 7,289.51
  4. Step 4: Simplify right side
    18,383.07x = 201,071,905.23
  5. Step 5: Solve for x
    x = 201,071,905.23/18,383.07
  6. Step 6: Final answer
    x = 10,937.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.