Home / 15,375.90-23,060.70-4,279.80

Finding the Fourth Proportional to 15,375.90, 23,060.70 and 4,279.80

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Solution

The fourth proportional to 15,375.90, 23,060.70 and 4,279.80 is: 6,418.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,375.90 : 23,060.70 = 4,279.80 : x
  2. Step 2: Convert to fraction form
    15,375.90/23,060.70 = 4,279.80/x
  3. Step 3: Cross multiply
    15,375.90x = 23,060.70 × 4,279.80
  4. Step 4: Simplify right side
    15,375.90x = 98,695,183.86
  5. Step 5: Solve for x
    x = 98,695,183.86/15,375.90
  6. Step 6: Final answer
    x = 6,418.82

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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.