Home / 12,933.20-17,845.66-7,629.07

Finding the Fourth Proportional to 12,933.20, 17,845.66 and 7,629.07

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Solution

The fourth proportional to 12,933.20, 17,845.66 and 7,629.07 is: 10,526.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,933.20 : 17,845.66 = 7,629.07 : x
  2. Step 2: Convert to fraction form
    12,933.20/17,845.66 = 7,629.07/x
  3. Step 3: Cross multiply
    12,933.20x = 17,845.66 × 7,629.07
  4. Step 4: Simplify right side
    12,933.20x = 136,145,789.34
  5. Step 5: Solve for x
    x = 136,145,789.34/12,933.20
  6. Step 6: Final answer
    x = 10,526.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.