Home / 21,896.58-30,219.69-12,463.62

Finding the Fourth Proportional to 21,896.58, 30,219.69 and 12,463.62

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Solution

The fourth proportional to 21,896.58, 30,219.69 and 12,463.62 is: 17,201.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,896.58 : 30,219.69 = 12,463.62 : x
  2. Step 2: Convert to fraction form
    21,896.58/30,219.69 = 12,463.62/x
  3. Step 3: Cross multiply
    21,896.58x = 30,219.69 × 12,463.62
  4. Step 4: Simplify right side
    21,896.58x = 376,646,732.68
  5. Step 5: Solve for x
    x = 376,646,732.68/21,896.58
  6. Step 6: Final answer
    x = 17,201.17

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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.