Home / 12,403.84-18,608.06-4,084.36

Finding the Fourth Proportional to 12,403.84, 18,608.06 and 4,084.36

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Solution

The fourth proportional to 12,403.84, 18,608.06 and 4,084.36 is: 6,127.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,403.84 : 18,608.06 = 4,084.36 : x
  2. Step 2: Convert to fraction form
    12,403.84/18,608.06 = 4,084.36/x
  3. Step 3: Cross multiply
    12,403.84x = 18,608.06 × 4,084.36
  4. Step 4: Simplify right side
    12,403.84x = 76,002,015.94
  5. Step 5: Solve for x
    x = 76,002,015.94/12,403.84
  6. Step 6: Final answer
    x = 6,127.30

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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.