Home / 18,238.16-27,356.21-5,090.54

Finding the Fourth Proportional to 18,238.16, 27,356.21 and 5,090.54

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Solution

The fourth proportional to 18,238.16, 27,356.21 and 5,090.54 is: 7,635.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,238.16 : 27,356.21 = 5,090.54 : x
  2. Step 2: Convert to fraction form
    18,238.16/27,356.21 = 5,090.54/x
  3. Step 3: Cross multiply
    18,238.16x = 27,356.21 × 5,090.54
  4. Step 4: Simplify right side
    18,238.16x = 139,257,719.02
  5. Step 5: Solve for x
    x = 139,257,719.02/18,238.16
  6. Step 6: Final answer
    x = 7,635.52

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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.