Home / 21,204.41-29,267.33-12,257.48

Finding the Fourth Proportional to 21,204.41, 29,267.33 and 12,257.48

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Solution

The fourth proportional to 21,204.41, 29,267.33 and 12,257.48 is: 16,918.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,204.41 : 29,267.33 = 12,257.48 : x
  2. Step 2: Convert to fraction form
    21,204.41/29,267.33 = 12,257.48/x
  3. Step 3: Cross multiply
    21,204.41x = 29,267.33 × 12,257.48
  4. Step 4: Simplify right side
    21,204.41x = 358,743,815.94
  5. Step 5: Solve for x
    x = 358,743,815.94/21,204.41
  6. Step 6: Final answer
    x = 16,918.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.