Home / 14,511.87-20,025.36-8,137.98

Finding the Fourth Proportional to 14,511.87, 20,025.36 and 8,137.98

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Solution

The fourth proportional to 14,511.87, 20,025.36 and 8,137.98 is: 11,229.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,511.87 : 20,025.36 = 8,137.98 : x
  2. Step 2: Convert to fraction form
    14,511.87/20,025.36 = 8,137.98/x
  3. Step 3: Cross multiply
    14,511.87x = 20,025.36 × 8,137.98
  4. Step 4: Simplify right side
    14,511.87x = 162,965,979.17
  5. Step 5: Solve for x
    x = 162,965,979.17/14,511.87
  6. Step 6: Final answer
    x = 11,229.84

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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.