Home / 19,021.67-26,262.77-11,854.43

Finding the Fourth Proportional to 19,021.67, 26,262.77 and 11,854.43

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Solution

The fourth proportional to 19,021.67, 26,262.77 and 11,854.43 is: 16,367.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,021.67 : 26,262.77 = 11,854.43 : x
  2. Step 2: Convert to fraction form
    19,021.67/26,262.77 = 11,854.43/x
  3. Step 3: Cross multiply
    19,021.67x = 26,262.77 × 11,854.43
  4. Step 4: Simplify right side
    19,021.67x = 311,329,977.99
  5. Step 5: Solve for x
    x = 311,329,977.99/19,021.67
  6. Step 6: Final answer
    x = 16,367.13

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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.