Home / 14,778.82-22,163.47-4,915.45

Finding the Fourth Proportional to 14,778.82, 22,163.47 and 4,915.45

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Solution

The fourth proportional to 14,778.82, 22,163.47 and 4,915.45 is: 7,371.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,778.82 : 22,163.47 = 4,915.45 : x
  2. Step 2: Convert to fraction form
    14,778.82/22,163.47 = 4,915.45/x
  3. Step 3: Cross multiply
    14,778.82x = 22,163.47 × 4,915.45
  4. Step 4: Simplify right side
    14,778.82x = 108,943,471.68
  5. Step 5: Solve for x
    x = 108,943,471.68/14,778.82
  6. Step 6: Final answer
    x = 7,371.59

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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.