Home / 13,238.00-18,268.92-7,270.22

Finding the Fourth Proportional to 13,238.00, 18,268.92 and 7,270.22

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Solution

The fourth proportional to 13,238.00, 18,268.92 and 7,270.22 is: 10,033.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,238.00 : 18,268.92 = 7,270.22 : x
  2. Step 2: Convert to fraction form
    13,238.00/18,268.92 = 7,270.22/x
  3. Step 3: Cross multiply
    13,238.00x = 18,268.92 × 7,270.22
  4. Step 4: Simplify right side
    13,238.00x = 132,818,976.22
  5. Step 5: Solve for x
    x = 132,818,976.22/13,238.00
  6. Step 6: Final answer
    x = 10,033.16

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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.