Home / 19,375.18-29,062.62-12,830.65

Finding the Fourth Proportional to 19,375.18, 29,062.62 and 12,830.65

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Solution

The fourth proportional to 19,375.18, 29,062.62 and 12,830.65 is: 19,245.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,375.18 : 29,062.62 = 12,830.65 : x
  2. Step 2: Convert to fraction form
    19,375.18/29,062.62 = 12,830.65/x
  3. Step 3: Cross multiply
    19,375.18x = 29,062.62 × 12,830.65
  4. Step 4: Simplify right side
    19,375.18x = 372,892,305.30
  5. Step 5: Solve for x
    x = 372,892,305.30/19,375.18
  6. Step 6: Final answer
    x = 19,245.88

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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.