Home / 15,899.60-23,847.78-4,212.92

Finding the Fourth Proportional to 15,899.60, 23,847.78 and 4,212.92

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Solution

The fourth proportional to 15,899.60, 23,847.78 and 4,212.92 is: 6,318.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,899.60 : 23,847.78 = 4,212.92 : x
  2. Step 2: Convert to fraction form
    15,899.60/23,847.78 = 4,212.92/x
  3. Step 3: Cross multiply
    15,899.60x = 23,847.78 × 4,212.92
  4. Step 4: Simplify right side
    15,899.60x = 100,468,789.32
  5. Step 5: Solve for x
    x = 100,468,789.32/15,899.60
  6. Step 6: Final answer
    x = 6,318.95

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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.