Home / 19,736.40-29,578.68-9,351.12

Finding the Fourth Proportional to 19,736.40, 29,578.68 and 9,351.12

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Solution

The fourth proportional to 19,736.40, 29,578.68 and 9,351.12 is: 14,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,736.40 : 29,578.68 = 9,351.12 : x
  2. Step 2: Convert to fraction form
    19,736.40/29,578.68 = 9,351.12/x
  3. Step 3: Cross multiply
    19,736.40x = 29,578.68 × 9,351.12
  4. Step 4: Simplify right side
    19,736.40x = 276,593,786.12
  5. Step 5: Solve for x
    x = 276,593,786.12/19,736.40
  6. Step 6: Final answer
    x = 14,014.40

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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.