Home / 19,788.62-29,694.87-10,435.55

Finding the Fourth Proportional to 19,788.62, 29,694.87 and 10,435.55

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Solution

The fourth proportional to 19,788.62, 29,694.87 and 10,435.55 is: 15,659.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,788.62 : 29,694.87 = 10,435.55 : x
  2. Step 2: Convert to fraction form
    19,788.62/29,694.87 = 10,435.55/x
  3. Step 3: Cross multiply
    19,788.62x = 29,694.87 × 10,435.55
  4. Step 4: Simplify right side
    19,788.62x = 309,882,300.63
  5. Step 5: Solve for x
    x = 309,882,300.63/19,788.62
  6. Step 6: Final answer
    x = 15,659.62

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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.