Home / 13,944.57-20,916.99-3,556.32

Finding the Fourth Proportional to 13,944.57, 20,916.99 and 3,556.32

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Solution

The fourth proportional to 13,944.57, 20,916.99 and 3,556.32 is: 5,334.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,944.57 : 20,916.99 = 3,556.32 : x
  2. Step 2: Convert to fraction form
    13,944.57/20,916.99 = 3,556.32/x
  3. Step 3: Cross multiply
    13,944.57x = 20,916.99 × 3,556.32
  4. Step 4: Simplify right side
    13,944.57x = 74,387,509.88
  5. Step 5: Solve for x
    x = 74,387,509.88/13,944.57
  6. Step 6: Final answer
    x = 5,334.51

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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.