Home / 19,163.25-26,446.50-10,779.75

Finding the Fourth Proportional to 19,163.25, 26,446.50 and 10,779.75

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Solution

The fourth proportional to 19,163.25, 26,446.50 and 10,779.75 is: 14,876.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,163.25 : 26,446.50 = 10,779.75 : x
  2. Step 2: Convert to fraction form
    19,163.25/26,446.50 = 10,779.75/x
  3. Step 3: Cross multiply
    19,163.25x = 26,446.50 × 10,779.75
  4. Step 4: Simplify right side
    19,163.25x = 285,086,658.38
  5. Step 5: Solve for x
    x = 285,086,658.38/19,163.25
  6. Step 6: Final answer
    x = 14,876.74

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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.