Home / 22,236.84-30,694.64-13,745.47

Finding the Fourth Proportional to 22,236.84, 30,694.64 and 13,745.47

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Solution

The fourth proportional to 22,236.84, 30,694.64 and 13,745.47 is: 18,973.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,236.84 : 30,694.64 = 13,745.47 : x
  2. Step 2: Convert to fraction form
    22,236.84/30,694.64 = 13,745.47/x
  3. Step 3: Cross multiply
    22,236.84x = 30,694.64 × 13,745.47
  4. Step 4: Simplify right side
    22,236.84x = 421,912,253.28
  5. Step 5: Solve for x
    x = 421,912,253.28/22,236.84
  6. Step 6: Final answer
    x = 18,973.57

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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.