Home / 11,554.15-15,946.69-6,519.80

Finding the Fourth Proportional to 11,554.15, 15,946.69 and 6,519.80

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Solution

The fourth proportional to 11,554.15, 15,946.69 and 6,519.80 is: 8,998.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,554.15 : 15,946.69 = 6,519.80 : x
  2. Step 2: Convert to fraction form
    11,554.15/15,946.69 = 6,519.80/x
  3. Step 3: Cross multiply
    11,554.15x = 15,946.69 × 6,519.80
  4. Step 4: Simplify right side
    11,554.15x = 103,969,149.73
  5. Step 5: Solve for x
    x = 103,969,149.73/11,554.15
  6. Step 6: Final answer
    x = 8,998.42

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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.