Home / 16,002.20-22,071.16-11,751.96

Finding the Fourth Proportional to 16,002.20, 22,071.16 and 11,751.96

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Solution

The fourth proportional to 16,002.20, 22,071.16 and 11,751.96 is: 16,208.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,002.20 : 22,071.16 = 11,751.96 : x
  2. Step 2: Convert to fraction form
    16,002.20/22,071.16 = 11,751.96/x
  3. Step 3: Cross multiply
    16,002.20x = 22,071.16 × 11,751.96
  4. Step 4: Simplify right side
    16,002.20x = 259,379,389.47
  5. Step 5: Solve for x
    x = 259,379,389.47/16,002.20
  6. Step 6: Final answer
    x = 16,208.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.