Home / 13,844.40-19,103.64-7,794.48

Finding the Fourth Proportional to 13,844.40, 19,103.64 and 7,794.48

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Solution

The fourth proportional to 13,844.40, 19,103.64 and 7,794.48 is: 10,755.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,844.40 : 19,103.64 = 7,794.48 : x
  2. Step 2: Convert to fraction form
    13,844.40/19,103.64 = 7,794.48/x
  3. Step 3: Cross multiply
    13,844.40x = 19,103.64 × 7,794.48
  4. Step 4: Simplify right side
    13,844.40x = 148,902,939.91
  5. Step 5: Solve for x
    x = 148,902,939.91/13,844.40
  6. Step 6: Final answer
    x = 10,755.46

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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.