Home / 10,816.80-16,228.84-10,743.90

Finding the Fourth Proportional to 10,816.80, 16,228.84 and 10,743.90

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Solution

The fourth proportional to 10,816.80, 16,228.84 and 10,743.90 is: 16,119.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,816.80 : 16,228.84 = 10,743.90 : x
  2. Step 2: Convert to fraction form
    10,816.80/16,228.84 = 10,743.90/x
  3. Step 3: Cross multiply
    10,816.80x = 16,228.84 × 10,743.90
  4. Step 4: Simplify right side
    10,816.80x = 174,361,034.08
  5. Step 5: Solve for x
    x = 174,361,034.08/10,816.80
  6. Step 6: Final answer
    x = 16,119.47

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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.