Home / 12,018.52-18,028.48-3,254.16

Finding the Fourth Proportional to 12,018.52, 18,028.48 and 3,254.16

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Solution

The fourth proportional to 12,018.52, 18,028.48 and 3,254.16 is: 4,881.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,018.52 : 18,028.48 = 3,254.16 : x
  2. Step 2: Convert to fraction form
    12,018.52/18,028.48 = 3,254.16/x
  3. Step 3: Cross multiply
    12,018.52x = 18,028.48 × 3,254.16
  4. Step 4: Simplify right side
    12,018.52x = 58,667,558.48
  5. Step 5: Solve for x
    x = 58,667,558.48/12,018.52
  6. Step 6: Final answer
    x = 4,881.43

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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.