Home / 12,194.48-18,289.60-3,427.31

Finding the Fourth Proportional to 12,194.48, 18,289.60 and 3,427.31

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Solution

The fourth proportional to 12,194.48, 18,289.60 and 3,427.31 is: 5,140.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,194.48 : 18,289.60 = 3,427.31 : x
  2. Step 2: Convert to fraction form
    12,194.48/18,289.60 = 3,427.31/x
  3. Step 3: Cross multiply
    12,194.48x = 18,289.60 × 3,427.31
  4. Step 4: Simplify right side
    12,194.48x = 62,684,166.13
  5. Step 5: Solve for x
    x = 62,684,166.13/12,194.48
  6. Step 6: Final answer
    x = 5,140.37

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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.