Home / 16,243.80-24,308.10-11,290.20

Finding the Fourth Proportional to 16,243.80, 24,308.10 and 11,290.20

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Solution

The fourth proportional to 16,243.80, 24,308.10 and 11,290.20 is: 16,895.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,243.80 : 24,308.10 = 11,290.20 : x
  2. Step 2: Convert to fraction form
    16,243.80/24,308.10 = 11,290.20/x
  3. Step 3: Cross multiply
    16,243.80x = 24,308.10 × 11,290.20
  4. Step 4: Simplify right side
    16,243.80x = 274,443,310.62
  5. Step 5: Solve for x
    x = 274,443,310.62/16,243.80
  6. Step 6: Final answer
    x = 16,895.27

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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.