Home / 12,648.03-18,966.78-4,326.36

Finding the Fourth Proportional to 12,648.03, 18,966.78 and 4,326.36

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Solution

The fourth proportional to 12,648.03, 18,966.78 and 4,326.36 is: 6,487.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,648.03 : 18,966.78 = 4,326.36 : x
  2. Step 2: Convert to fraction form
    12,648.03/18,966.78 = 4,326.36/x
  3. Step 3: Cross multiply
    12,648.03x = 18,966.78 × 4,326.36
  4. Step 4: Simplify right side
    12,648.03x = 82,057,118.32
  5. Step 5: Solve for x
    x = 82,057,118.32/12,648.03
  6. Step 6: Final answer
    x = 6,487.74

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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.