Home / 18,364.37-27,546.55-5,215.03

Finding the Fourth Proportional to 18,364.37, 27,546.55 and 5,215.03

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Solution

The fourth proportional to 18,364.37, 27,546.55 and 5,215.03 is: 7,822.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,364.37 : 27,546.55 = 5,215.03 : x
  2. Step 2: Convert to fraction form
    18,364.37/27,546.55 = 5,215.03/x
  3. Step 3: Cross multiply
    18,364.37x = 27,546.55 × 5,215.03
  4. Step 4: Simplify right side
    18,364.37x = 143,656,002.74
  5. Step 5: Solve for x
    x = 143,656,002.74/18,364.37
  6. Step 6: Final answer
    x = 7,822.54

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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.