Home / 15,238.00-21,030.68-9,268.51

Finding the Fourth Proportional to 15,238.00, 21,030.68 and 9,268.51

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Solution

The fourth proportional to 15,238.00, 21,030.68 and 9,268.51 is: 12,791.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,238.00 : 21,030.68 = 9,268.51 : x
  2. Step 2: Convert to fraction form
    15,238.00/21,030.68 = 9,268.51/x
  3. Step 3: Cross multiply
    15,238.00x = 21,030.68 × 9,268.51
  4. Step 4: Simplify right side
    15,238.00x = 194,923,021.54
  5. Step 5: Solve for x
    x = 194,923,021.54/15,238.00
  6. Step 6: Final answer
    x = 12,791.91

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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.