Home / 13,779.97-20,651.70-5,006.44

Finding the Fourth Proportional to 13,779.97, 20,651.70 and 5,006.44

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Solution

The fourth proportional to 13,779.97, 20,651.70 and 5,006.44 is: 7,503.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,779.97 : 20,651.70 = 5,006.44 : x
  2. Step 2: Convert to fraction form
    13,779.97/20,651.70 = 5,006.44/x
  3. Step 3: Cross multiply
    13,779.97x = 20,651.70 × 5,006.44
  4. Step 4: Simplify right side
    13,779.97x = 103,391,496.95
  5. Step 5: Solve for x
    x = 103,391,496.95/13,779.97
  6. Step 6: Final answer
    x = 7,503.03

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1.5x scale

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.