Home / 11,211.20-16,808.70-6,282.35

Finding the Fourth Proportional to 11,211.20, 16,808.70 and 6,282.35

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Solution

The fourth proportional to 11,211.20, 16,808.70 and 6,282.35 is: 9,418.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,211.20 : 16,808.70 = 6,282.35 : x
  2. Step 2: Convert to fraction form
    11,211.20/16,808.70 = 6,282.35/x
  3. Step 3: Cross multiply
    11,211.20x = 16,808.70 × 6,282.35
  4. Step 4: Simplify right side
    11,211.20x = 105,598,136.45
  5. Step 5: Solve for x
    x = 105,598,136.45/11,211.20
  6. Step 6: Final answer
    x = 9,418.99

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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.