Home / 20,843.36-31,265.44-6,803.36

Finding the Fourth Proportional to 20,843.36, 31,265.44 and 6,803.36

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Solution

The fourth proportional to 20,843.36, 31,265.44 and 6,803.36 is: 10,205.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,843.36 : 31,265.44 = 6,803.36 : x
  2. Step 2: Convert to fraction form
    20,843.36/31,265.44 = 6,803.36/x
  3. Step 3: Cross multiply
    20,843.36x = 31,265.44 × 6,803.36
  4. Step 4: Simplify right side
    20,843.36x = 212,710,043.88
  5. Step 5: Solve for x
    x = 212,710,043.88/20,843.36
  6. Step 6: Final answer
    x = 10,205.17

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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.