Home / 19,364.82-26,721.72-11,813.40

Finding the Fourth Proportional to 19,364.82, 26,721.72 and 11,813.40

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Solution

The fourth proportional to 19,364.82, 26,721.72 and 11,813.40 is: 16,301.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,364.82 : 26,721.72 = 11,813.40 : x
  2. Step 2: Convert to fraction form
    19,364.82/26,721.72 = 11,813.40/x
  3. Step 3: Cross multiply
    19,364.82x = 26,721.72 × 11,813.40
  4. Step 4: Simplify right side
    19,364.82x = 315,674,367.05
  5. Step 5: Solve for x
    x = 315,674,367.05/19,364.82
  6. Step 6: Final answer
    x = 16,301.44

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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.