Home / 19,375.62-29,060.31-5,521.38

Finding the Fourth Proportional to 19,375.62, 29,060.31 and 5,521.38

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Solution

The fourth proportional to 19,375.62, 29,060.31 and 5,521.38 is: 8,281.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,375.62 : 29,060.31 = 5,521.38 : x
  2. Step 2: Convert to fraction form
    19,375.62/29,060.31 = 5,521.38/x
  3. Step 3: Cross multiply
    19,375.62x = 29,060.31 × 5,521.38
  4. Step 4: Simplify right side
    19,375.62x = 160,453,014.43
  5. Step 5: Solve for x
    x = 160,453,014.43/19,375.62
  6. Step 6: Final answer
    x = 8,281.18

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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.