Home / 12,912.36-19,368.27-3,552.35

Finding the Fourth Proportional to 12,912.36, 19,368.27 and 3,552.35

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Solution

The fourth proportional to 12,912.36, 19,368.27 and 3,552.35 is: 5,328.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,912.36 : 19,368.27 = 3,552.35 : x
  2. Step 2: Convert to fraction form
    12,912.36/19,368.27 = 3,552.35/x
  3. Step 3: Cross multiply
    12,912.36x = 19,368.27 × 3,552.35
  4. Step 4: Simplify right side
    12,912.36x = 68,802,777.09
  5. Step 5: Solve for x
    x = 68,802,777.09/12,912.36
  6. Step 6: Final answer
    x = 5,328.44

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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.