Home / 11,137.32-16,705.98-4,977

Finding the Fourth Proportional to 11,137.32, 16,705.98 and 4,977

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Solution

The fourth proportional to 11,137.32, 16,705.98 and 4,977 is: 7,465.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,137.32 : 16,705.98 = 4,977 : x
  2. Step 2: Convert to fraction form
    11,137.32/16,705.98 = 4,977/x
  3. Step 3: Cross multiply
    11,137.32x = 16,705.98 × 4,977
  4. Step 4: Simplify right side
    11,137.32x = 83,145,662.46
  5. Step 5: Solve for x
    x = 83,145,662.46/11,137.32
  6. Step 6: Final answer
    x = 7,465.50

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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.