Home / 10,908.11-16,362.32-3,116.90

Finding the Fourth Proportional to 10,908.11, 16,362.32 and 3,116.90

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Solution

The fourth proportional to 10,908.11, 16,362.32 and 3,116.90 is: 4,675.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,908.11 : 16,362.32 = 3,116.90 : x
  2. Step 2: Convert to fraction form
    10,908.11/16,362.32 = 3,116.90/x
  3. Step 3: Cross multiply
    10,908.11x = 16,362.32 × 3,116.90
  4. Step 4: Simplify right side
    10,908.11x = 50,999,617.81
  5. Step 5: Solve for x
    x = 50,999,617.81/10,908.11
  6. Step 6: Final answer
    x = 4,675.39

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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.