Home / 11,211.80-16,817.70-9,462.20

Finding the Fourth Proportional to 11,211.80, 16,817.70 and 9,462.20

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Solution

The fourth proportional to 11,211.80, 16,817.70 and 9,462.20 is: 14,193.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,211.80 : 16,817.70 = 9,462.20 : x
  2. Step 2: Convert to fraction form
    11,211.80/16,817.70 = 9,462.20/x
  3. Step 3: Cross multiply
    11,211.80x = 16,817.70 × 9,462.20
  4. Step 4: Simplify right side
    11,211.80x = 159,132,440.94
  5. Step 5: Solve for x
    x = 159,132,440.94/11,211.80
  6. Step 6: Final answer
    x = 14,193.30

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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.