Home / 12,817.36-19,222.33-4,919.32

Finding the Fourth Proportional to 12,817.36, 19,222.33 and 4,919.32

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Solution

The fourth proportional to 12,817.36, 19,222.33 and 4,919.32 is: 7,377.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,817.36 : 19,222.33 = 4,919.32 : x
  2. Step 2: Convert to fraction form
    12,817.36/19,222.33 = 4,919.32/x
  3. Step 3: Cross multiply
    12,817.36x = 19,222.33 × 4,919.32
  4. Step 4: Simplify right side
    12,817.36x = 94,560,792.42
  5. Step 5: Solve for x
    x = 94,560,792.42/12,817.36
  6. Step 6: Final answer
    x = 7,377.56

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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.