Home / 18,383.46-25,351.53-12,347.34

Finding the Fourth Proportional to 18,383.46, 25,351.53 and 12,347.34

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Solution

The fourth proportional to 18,383.46, 25,351.53 and 12,347.34 is: 17,027.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,383.46 : 25,351.53 = 12,347.34 : x
  2. Step 2: Convert to fraction form
    18,383.46/25,351.53 = 12,347.34/x
  3. Step 3: Cross multiply
    18,383.46x = 25,351.53 × 12,347.34
  4. Step 4: Simplify right side
    18,383.46x = 313,023,960.43
  5. Step 5: Solve for x
    x = 313,023,960.43/18,383.46
  6. Step 6: Final answer
    x = 17,027.48

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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.