Home / 12,669.60-19,005.44-3,435.52

Finding the Fourth Proportional to 12,669.60, 19,005.44 and 3,435.52

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Solution

The fourth proportional to 12,669.60, 19,005.44 and 3,435.52 is: 5,153.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,669.60 : 19,005.44 = 3,435.52 : x
  2. Step 2: Convert to fraction form
    12,669.60/19,005.44 = 3,435.52/x
  3. Step 3: Cross multiply
    12,669.60x = 19,005.44 × 3,435.52
  4. Step 4: Simplify right side
    12,669.60x = 65,293,569.23
  5. Step 5: Solve for x
    x = 65,293,569.23/12,669.60
  6. Step 6: Final answer
    x = 5,153.56

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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.