Home / 13,021.33-19,511.55-10,066.99

Finding the Fourth Proportional to 13,021.33, 19,511.55 and 10,066.99

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Solution

The fourth proportional to 13,021.33, 19,511.55 and 10,066.99 is: 15,084.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,021.33 : 19,511.55 = 10,066.99 : x
  2. Step 2: Convert to fraction form
    13,021.33/19,511.55 = 10,066.99/x
  3. Step 3: Cross multiply
    13,021.33x = 19,511.55 × 10,066.99
  4. Step 4: Simplify right side
    13,021.33x = 196,422,578.73
  5. Step 5: Solve for x
    x = 196,422,578.73/13,021.33
  6. Step 6: Final answer
    x = 15,084.68

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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.