Home / 12,805.97-19,204.79-4,908.06

Finding the Fourth Proportional to 12,805.97, 19,204.79 and 4,908.06

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Solution

The fourth proportional to 12,805.97, 19,204.79 and 4,908.06 is: 7,360.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,805.97 : 19,204.79 = 4,908.06 : x
  2. Step 2: Convert to fraction form
    12,805.97/19,204.79 = 4,908.06/x
  3. Step 3: Cross multiply
    12,805.97x = 19,204.79 × 4,908.06
  4. Step 4: Simplify right side
    12,805.97x = 94,258,237.07
  5. Step 5: Solve for x
    x = 94,258,237.07/12,805.97
  6. Step 6: Final answer
    x = 7,360.49

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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.