Home / 12,218.98-18,327.18-8,295.46

Finding the Fourth Proportional to 12,218.98, 18,327.18 and 8,295.46

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Solution

The fourth proportional to 12,218.98, 18,327.18 and 8,295.46 is: 12,442.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,218.98 : 18,327.18 = 8,295.46 : x
  2. Step 2: Convert to fraction form
    12,218.98/18,327.18 = 8,295.46/x
  3. Step 3: Cross multiply
    12,218.98x = 18,327.18 × 8,295.46
  4. Step 4: Simplify right side
    12,218.98x = 152,032,388.60
  5. Step 5: Solve for x
    x = 152,032,388.60/12,218.98
  6. Step 6: Final answer
    x = 12,442.31

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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.