Home / 15,919.40-23,879.10-4,233.80

Finding the Fourth Proportional to 15,919.40, 23,879.10 and 4,233.80

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Solution

The fourth proportional to 15,919.40, 23,879.10 and 4,233.80 is: 6,350.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,919.40 : 23,879.10 = 4,233.80 : x
  2. Step 2: Convert to fraction form
    15,919.40/23,879.10 = 4,233.80/x
  3. Step 3: Cross multiply
    15,919.40x = 23,879.10 × 4,233.80
  4. Step 4: Simplify right side
    15,919.40x = 101,099,333.58
  5. Step 5: Solve for x
    x = 101,099,333.58/15,919.40
  6. Step 6: Final answer
    x = 6,350.70

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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.