Home / 22,340.73-30,809.63-15,181.37

Finding the Fourth Proportional to 22,340.73, 30,809.63 and 15,181.37

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Solution

The fourth proportional to 22,340.73, 30,809.63 and 15,181.37 is: 20,936.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,340.73 : 30,809.63 = 15,181.37 : x
  2. Step 2: Convert to fraction form
    22,340.73/30,809.63 = 15,181.37/x
  3. Step 3: Cross multiply
    22,340.73x = 30,809.63 × 15,181.37
  4. Step 4: Simplify right side
    22,340.73x = 467,732,162.64
  5. Step 5: Solve for x
    x = 467,732,162.64/22,340.73
  6. Step 6: Final answer
    x = 20,936.30

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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.