Home / 10,784.75-16,184.41-4,210.08

Finding the Fourth Proportional to 10,784.75, 16,184.41 and 4,210.08

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Solution

The fourth proportional to 10,784.75, 16,184.41 and 4,210.08 is: 6,317.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,784.75 : 16,184.41 = 4,210.08 : x
  2. Step 2: Convert to fraction form
    10,784.75/16,184.41 = 4,210.08/x
  3. Step 3: Cross multiply
    10,784.75x = 16,184.41 × 4,210.08
  4. Step 4: Simplify right side
    10,784.75x = 68,137,589.64
  5. Step 5: Solve for x
    x = 68,137,589.64/10,784.75
  6. Step 6: Final answer
    x = 6,317.96

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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.