Home / 22,295.28-30,767.74-12,736.44

Finding the Fourth Proportional to 22,295.28, 30,767.74 and 12,736.44

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Solution

The fourth proportional to 22,295.28, 30,767.74 and 12,736.44 is: 17,576.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,295.28 : 30,767.74 = 12,736.44 : x
  2. Step 2: Convert to fraction form
    22,295.28/30,767.74 = 12,736.44/x
  3. Step 3: Cross multiply
    22,295.28x = 30,767.74 × 12,736.44
  4. Step 4: Simplify right side
    22,295.28x = 391,871,474.45
  5. Step 5: Solve for x
    x = 391,871,474.45/22,295.28
  6. Step 6: Final answer
    x = 17,576.43

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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.