Home / 18,608.37-27,903.73-7,215.62

Finding the Fourth Proportional to 18,608.37, 27,903.73 and 7,215.62

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Solution

The fourth proportional to 18,608.37, 27,903.73 and 7,215.62 is: 10,820.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,608.37 : 27,903.73 = 7,215.62 : x
  2. Step 2: Convert to fraction form
    18,608.37/27,903.73 = 7,215.62/x
  3. Step 3: Cross multiply
    18,608.37x = 27,903.73 × 7,215.62
  4. Step 4: Simplify right side
    18,608.37x = 201,342,712.26
  5. Step 5: Solve for x
    x = 201,342,712.26/18,608.37
  6. Step 6: Final answer
    x = 10,820.01

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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.