Home / 11,101.97-16,664.81-4,779.98

Finding the Fourth Proportional to 11,101.97, 16,664.81 and 4,779.98

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Solution

The fourth proportional to 11,101.97, 16,664.81 and 4,779.98 is: 7,175.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,101.97 : 16,664.81 = 4,779.98 : x
  2. Step 2: Convert to fraction form
    11,101.97/16,664.81 = 4,779.98/x
  3. Step 3: Cross multiply
    11,101.97x = 16,664.81 × 4,779.98
  4. Step 4: Simplify right side
    11,101.97x = 79,657,392.94
  5. Step 5: Solve for x
    x = 79,657,392.94/11,101.97
  6. Step 6: Final answer
    x = 7,175.07

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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.