Home / 19,355.76-26,720.82-13,694.94

Finding the Fourth Proportional to 19,355.76, 26,720.82 and 13,694.94

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Solution

The fourth proportional to 19,355.76, 26,720.82 and 13,694.94 is: 18,906.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,355.76 : 26,720.82 = 13,694.94 : x
  2. Step 2: Convert to fraction form
    19,355.76/26,720.82 = 13,694.94/x
  3. Step 3: Cross multiply
    19,355.76x = 26,720.82 × 13,694.94
  4. Step 4: Simplify right side
    19,355.76x = 365,940,026.65
  5. Step 5: Solve for x
    x = 365,940,026.65/19,355.76
  6. Step 6: Final answer
    x = 18,906.00

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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.