Home / 14,380.32-19,847.19-12,021.60

Finding the Fourth Proportional to 14,380.32, 19,847.19 and 12,021.60

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Solution

The fourth proportional to 14,380.32, 19,847.19 and 12,021.60 is: 16,591.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,380.32 : 19,847.19 = 12,021.60 : x
  2. Step 2: Convert to fraction form
    14,380.32/19,847.19 = 12,021.60/x
  3. Step 3: Cross multiply
    14,380.32x = 19,847.19 × 12,021.60
  4. Step 4: Simplify right side
    14,380.32x = 238,594,979.30
  5. Step 5: Solve for x
    x = 238,594,979.30/14,380.32
  6. Step 6: Final answer
    x = 16,591.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.