Home / 17,115.44-25,635.80-10,521.64

Finding the Fourth Proportional to 17,115.44, 25,635.80 and 10,521.64

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Solution

The fourth proportional to 17,115.44, 25,635.80 and 10,521.64 is: 15,759.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,115.44 : 25,635.80 = 10,521.64 : x
  2. Step 2: Convert to fraction form
    17,115.44/25,635.80 = 10,521.64/x
  3. Step 3: Cross multiply
    17,115.44x = 25,635.80 × 10,521.64
  4. Step 4: Simplify right side
    17,115.44x = 269,730,658.71
  5. Step 5: Solve for x
    x = 269,730,658.71/17,115.44
  6. Step 6: Final answer
    x = 15,759.49

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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.