Home / 12,493.24-18,739.40-3,133.33

Finding the Fourth Proportional to 12,493.24, 18,739.40 and 3,133.33

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Solution

The fourth proportional to 12,493.24, 18,739.40 and 3,133.33 is: 4,699.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,493.24 : 18,739.40 = 3,133.33 : x
  2. Step 2: Convert to fraction form
    12,493.24/18,739.40 = 3,133.33/x
  3. Step 3: Cross multiply
    12,493.24x = 18,739.40 × 3,133.33
  4. Step 4: Simplify right side
    12,493.24x = 58,716,661.69
  5. Step 5: Solve for x
    x = 58,716,661.69/12,493.24
  6. Step 6: Final answer
    x = 4,699.88

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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.