Home / 13,940.60-20,911.02-3,552.34

Finding the Fourth Proportional to 13,940.60, 20,911.02 and 3,552.34

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Solution

The fourth proportional to 13,940.60, 20,911.02 and 3,552.34 is: 5,328.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,940.60 : 20,911.02 = 3,552.34 : x
  2. Step 2: Convert to fraction form
    13,940.60/20,911.02 = 3,552.34/x
  3. Step 3: Cross multiply
    13,940.60x = 20,911.02 × 3,552.34
  4. Step 4: Simplify right side
    13,940.60x = 74,283,052.79
  5. Step 5: Solve for x
    x = 74,283,052.79/13,940.60
  6. Step 6: Final answer
    x = 5,328.54

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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.