Home / 11,201.80-16,802.70-4,625.80

Finding the Fourth Proportional to 11,201.80, 16,802.70 and 4,625.80

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Solution

The fourth proportional to 11,201.80, 16,802.70 and 4,625.80 is: 6,938.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,201.80 : 16,802.70 = 4,625.80 : x
  2. Step 2: Convert to fraction form
    11,201.80/16,802.70 = 4,625.80/x
  3. Step 3: Cross multiply
    11,201.80x = 16,802.70 × 4,625.80
  4. Step 4: Simplify right side
    11,201.80x = 77,725,929.66
  5. Step 5: Solve for x
    x = 77,725,929.66/11,201.80
  6. Step 6: Final answer
    x = 6,938.70

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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.