Home / 12,802.72-19,202.64-3,569.44

Finding the Fourth Proportional to 12,802.72, 19,202.64 and 3,569.44

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Solution

The fourth proportional to 12,802.72, 19,202.64 and 3,569.44 is: 5,353.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,802.72 : 19,202.64 = 3,569.44 : x
  2. Step 2: Convert to fraction form
    12,802.72/19,202.64 = 3,569.44/x
  3. Step 3: Cross multiply
    12,802.72x = 19,202.64 × 3,569.44
  4. Step 4: Simplify right side
    12,802.72x = 68,542,671.32
  5. Step 5: Solve for x
    x = 68,542,671.32/12,802.72
  6. Step 6: Final answer
    x = 5,353.76

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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.