Home / 19,819.36-27,351.52-10,867.60

Finding the Fourth Proportional to 19,819.36, 27,351.52 and 10,867.60

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Solution

The fourth proportional to 19,819.36, 27,351.52 and 10,867.60 is: 14,997.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,819.36 : 27,351.52 = 10,867.60 : x
  2. Step 2: Convert to fraction form
    19,819.36/27,351.52 = 10,867.60/x
  3. Step 3: Cross multiply
    19,819.36x = 27,351.52 × 10,867.60
  4. Step 4: Simplify right side
    19,819.36x = 297,245,378.75
  5. Step 5: Solve for x
    x = 297,245,378.75/19,819.36
  6. Step 6: Final answer
    x = 14,997.73

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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.