Home / 10,879.34-16,318.98-2,671.34

Finding the Fourth Proportional to 10,879.34, 16,318.98 and 2,671.34

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Solution

The fourth proportional to 10,879.34, 16,318.98 and 2,671.34 is: 4,007.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,879.34 : 16,318.98 = 2,671.34 : x
  2. Step 2: Convert to fraction form
    10,879.34/16,318.98 = 2,671.34/x
  3. Step 3: Cross multiply
    10,879.34x = 16,318.98 × 2,671.34
  4. Step 4: Simplify right side
    10,879.34x = 43,593,462.44
  5. Step 5: Solve for x
    x = 43,593,462.44/10,879.34
  6. Step 6: Final answer
    x = 4,007.00

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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.