Home / 11,000.84-16,505.04-3,210.80

Finding the Fourth Proportional to 11,000.84, 16,505.04 and 3,210.80

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Solution

The fourth proportional to 11,000.84, 16,505.04 and 3,210.80 is: 4,817.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,000.84 : 16,505.04 = 3,210.80 : x
  2. Step 2: Convert to fraction form
    11,000.84/16,505.04 = 3,210.80/x
  3. Step 3: Cross multiply
    11,000.84x = 16,505.04 × 3,210.80
  4. Step 4: Simplify right side
    11,000.84x = 52,994,382.43
  5. Step 5: Solve for x
    x = 52,994,382.43/11,000.84
  6. Step 6: Final answer
    x = 4,817.30

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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.