Home / 13,577.54-20,370.56-4,090.23

Finding the Fourth Proportional to 13,577.54, 20,370.56 and 4,090.23

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Solution

The fourth proportional to 13,577.54, 20,370.56 and 4,090.23 is: 6,136.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,577.54 : 20,370.56 = 4,090.23 : x
  2. Step 2: Convert to fraction form
    13,577.54/20,370.56 = 4,090.23/x
  3. Step 3: Cross multiply
    13,577.54x = 20,370.56 × 4,090.23
  4. Step 4: Simplify right side
    13,577.54x = 83,320,255.18
  5. Step 5: Solve for x
    x = 83,320,255.18/13,577.54
  6. Step 6: Final answer
    x = 6,136.63

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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.