Home / 18,282.51-27,419.06-7,189.26

Finding the Fourth Proportional to 18,282.51, 27,419.06 and 7,189.26

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Solution

The fourth proportional to 18,282.51, 27,419.06 and 7,189.26 is: 10,782.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,282.51 : 27,419.06 = 7,189.26 : x
  2. Step 2: Convert to fraction form
    18,282.51/27,419.06 = 7,189.26/x
  3. Step 3: Cross multiply
    18,282.51x = 27,419.06 × 7,189.26
  4. Step 4: Simplify right side
    18,282.51x = 197,122,626.01
  5. Step 5: Solve for x
    x = 197,122,626.01/18,282.51
  6. Step 6: Final answer
    x = 10,782.03

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1.5x scale

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.