Home / 10,801.26-16,195.47-4,219.80

Finding the Fourth Proportional to 10,801.26, 16,195.47 and 4,219.80

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Solution

The fourth proportional to 10,801.26, 16,195.47 and 4,219.80 is: 6,327.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,801.26 : 16,195.47 = 4,219.80 : x
  2. Step 2: Convert to fraction form
    10,801.26/16,195.47 = 4,219.80/x
  3. Step 3: Cross multiply
    10,801.26x = 16,195.47 × 4,219.80
  4. Step 4: Simplify right side
    10,801.26x = 68,341,644.31
  5. Step 5: Solve for x
    x = 68,341,644.31/10,801.26
  6. Step 6: Final answer
    x = 6,327.19

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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.