Home / 13,918.36-19,204.98-7,949.08

Finding the Fourth Proportional to 13,918.36, 19,204.98 and 7,949.08

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Solution

The fourth proportional to 13,918.36, 19,204.98 and 7,949.08 is: 10,968.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,918.36 : 19,204.98 = 7,949.08 : x
  2. Step 2: Convert to fraction form
    13,918.36/19,204.98 = 7,949.08/x
  3. Step 3: Cross multiply
    13,918.36x = 19,204.98 × 7,949.08
  4. Step 4: Simplify right side
    13,918.36x = 152,661,922.42
  5. Step 5: Solve for x
    x = 152,661,922.42/13,918.36
  6. Step 6: Final answer
    x = 10,968.38

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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.