Home / 11,135.45-16,701.62-2,814.95

Finding the Fourth Proportional to 11,135.45, 16,701.62 and 2,814.95

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Solution

The fourth proportional to 11,135.45, 16,701.62 and 2,814.95 is: 4,222.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135.45 : 16,701.62 = 2,814.95 : x
  2. Step 2: Convert to fraction form
    11,135.45/16,701.62 = 2,814.95/x
  3. Step 3: Cross multiply
    11,135.45x = 16,701.62 × 2,814.95
  4. Step 4: Simplify right side
    11,135.45x = 47,014,127.64
  5. Step 5: Solve for x
    x = 47,014,127.64/11,135.45
  6. Step 6: Final answer
    x = 4,222.03

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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.