Home / 12,427.56-18,641.93-3,662.55

Finding the Fourth Proportional to 12,427.56, 18,641.93 and 3,662.55

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Solution

The fourth proportional to 12,427.56, 18,641.93 and 3,662.55 is: 5,494.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,427.56 : 18,641.93 = 3,662.55 : x
  2. Step 2: Convert to fraction form
    12,427.56/18,641.93 = 3,662.55/x
  3. Step 3: Cross multiply
    12,427.56x = 18,641.93 × 3,662.55
  4. Step 4: Simplify right side
    12,427.56x = 68,276,982.41
  5. Step 5: Solve for x
    x = 68,276,982.41/12,427.56
  6. Step 6: Final answer
    x = 5,494.00

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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.