Home / 19,021.68-26,262.78-11,854.44

Finding the Fourth Proportional to 19,021.68, 26,262.78 and 11,854.44

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Solution

The fourth proportional to 19,021.68, 26,262.78 and 11,854.44 is: 16,367.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,021.68 : 26,262.78 = 11,854.44 : x
  2. Step 2: Convert to fraction form
    19,021.68/26,262.78 = 11,854.44/x
  3. Step 3: Cross multiply
    19,021.68x = 26,262.78 × 11,854.44
  4. Step 4: Simplify right side
    19,021.68x = 311,330,549.74
  5. Step 5: Solve for x
    x = 311,330,549.74/19,021.68
  6. Step 6: Final answer
    x = 16,367.14

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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.