Home / 19,164.29-26,450.36-10,780.79

Finding the Fourth Proportional to 19,164.29, 26,450.36 and 10,780.79

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Solution

The fourth proportional to 19,164.29, 26,450.36 and 10,780.79 is: 14,879.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,164.29 : 26,450.36 = 10,780.79 : x
  2. Step 2: Convert to fraction form
    19,164.29/26,450.36 = 10,780.79/x
  3. Step 3: Cross multiply
    19,164.29x = 26,450.36 × 10,780.79
  4. Step 4: Simplify right side
    19,164.29x = 285,155,671.28
  5. Step 5: Solve for x
    x = 285,155,671.28/19,164.29
  6. Step 6: Final answer
    x = 14,879.54

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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.