Home / 19,772.23-27,285.68-10,819.73

Finding the Fourth Proportional to 19,772.23, 27,285.68 and 10,819.73

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Solution

The fourth proportional to 19,772.23, 27,285.68 and 10,819.73 is: 14,931.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,772.23 : 27,285.68 = 10,819.73 : x
  2. Step 2: Convert to fraction form
    19,772.23/27,285.68 = 10,819.73/x
  3. Step 3: Cross multiply
    19,772.23x = 27,285.68 × 10,819.73
  4. Step 4: Simplify right side
    19,772.23x = 295,223,704.58
  5. Step 5: Solve for x
    x = 295,223,704.58/19,772.23
  6. Step 6: Final answer
    x = 14,931.23

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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.