Home / 19,760.87-29,635.32-10,395.72

Finding the Fourth Proportional to 19,760.87, 29,635.32 and 10,395.72

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Solution

The fourth proportional to 19,760.87, 29,635.32 and 10,395.72 is: 15,590.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,760.87 : 29,635.32 = 10,395.72 : x
  2. Step 2: Convert to fraction form
    19,760.87/29,635.32 = 10,395.72/x
  3. Step 3: Cross multiply
    19,760.87x = 29,635.32 × 10,395.72
  4. Step 4: Simplify right side
    19,760.87x = 308,080,469.34
  5. Step 5: Solve for x
    x = 308,080,469.34/19,760.87
  6. Step 6: Final answer
    x = 15,590.43

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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.