Home / 13,186.01-19,779.11-5,394.82

Finding the Fourth Proportional to 13,186.01, 19,779.11 and 5,394.82

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Solution

The fourth proportional to 13,186.01, 19,779.11 and 5,394.82 is: 8,092.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,186.01 : 19,779.11 = 5,394.82 : x
  2. Step 2: Convert to fraction form
    13,186.01/19,779.11 = 5,394.82/x
  3. Step 3: Cross multiply
    13,186.01x = 19,779.11 × 5,394.82
  4. Step 4: Simplify right side
    13,186.01x = 106,704,738.21
  5. Step 5: Solve for x
    x = 106,704,738.21/13,186.01
  6. Step 6: Final answer
    x = 8,092.27

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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.