Home / 20,116.94-30,175.79-6,969.74

Finding the Fourth Proportional to 20,116.94, 30,175.79 and 6,969.74

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Solution

The fourth proportional to 20,116.94, 30,175.79 and 6,969.74 is: 10,454.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,116.94 : 30,175.79 = 6,969.74 : x
  2. Step 2: Convert to fraction form
    20,116.94/30,175.79 = 6,969.74/x
  3. Step 3: Cross multiply
    20,116.94x = 30,175.79 × 6,969.74
  4. Step 4: Simplify right side
    20,116.94x = 210,317,224.87
  5. Step 5: Solve for x
    x = 210,317,224.87/20,116.94
  6. Step 6: Final answer
    x = 10,454.74

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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.