Home / 12,027.18-18,040.78-7,893.36

Finding the Fourth Proportional to 12,027.18, 18,040.78 and 7,893.36

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Solution

The fourth proportional to 12,027.18, 18,040.78 and 7,893.36 is: 11,840.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,027.18 : 18,040.78 = 7,893.36 : x
  2. Step 2: Convert to fraction form
    12,027.18/18,040.78 = 7,893.36/x
  3. Step 3: Cross multiply
    12,027.18x = 18,040.78 × 7,893.36
  4. Step 4: Simplify right side
    12,027.18x = 142,402,371.22
  5. Step 5: Solve for x
    x = 142,402,371.22/12,027.18
  6. Step 6: Final answer
    x = 11,840.05

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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.