Home / 12,933.54-19,399.77-3,699.54

Finding the Fourth Proportional to 12,933.54, 19,399.77 and 3,699.54

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Solution

The fourth proportional to 12,933.54, 19,399.77 and 3,699.54 is: 5,549.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,933.54 : 19,399.77 = 3,699.54 : x
  2. Step 2: Convert to fraction form
    12,933.54/19,399.77 = 3,699.54/x
  3. Step 3: Cross multiply
    12,933.54x = 19,399.77 × 3,699.54
  4. Step 4: Simplify right side
    12,933.54x = 71,770,225.11
  5. Step 5: Solve for x
    x = 71,770,225.11/12,933.54
  6. Step 6: Final answer
    x = 5,549.16

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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.