Home / 12,238.89-18,358.35-3,004.89

Finding the Fourth Proportional to 12,238.89, 18,358.35 and 3,004.89

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Solution

The fourth proportional to 12,238.89, 18,358.35 and 3,004.89 is: 4,507.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,238.89 : 18,358.35 = 3,004.89 : x
  2. Step 2: Convert to fraction form
    12,238.89/18,358.35 = 3,004.89/x
  3. Step 3: Cross multiply
    12,238.89x = 18,358.35 × 3,004.89
  4. Step 4: Simplify right side
    12,238.89x = 55,164,822.33
  5. Step 5: Solve for x
    x = 55,164,822.33/12,238.89
  6. Step 6: Final answer
    x = 4,507.34

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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.