Home / 19,910.88-29,849.58-13,316.94

Finding the Fourth Proportional to 19,910.88, 29,849.58 and 13,316.94

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Solution

The fourth proportional to 19,910.88, 29,849.58 and 13,316.94 is: 19,964.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,910.88 : 29,849.58 = 13,316.94 : x
  2. Step 2: Convert to fraction form
    19,910.88/29,849.58 = 13,316.94/x
  3. Step 3: Cross multiply
    19,910.88x = 29,849.58 × 13,316.94
  4. Step 4: Simplify right side
    19,910.88x = 397,505,065.89
  5. Step 5: Solve for x
    x = 397,505,065.89/19,910.88
  6. Step 6: Final answer
    x = 19,964.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.