Home / 11,222.80-16,834.20-9,837.70

Finding the Fourth Proportional to 11,222.80, 16,834.20 and 9,837.70

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Solution

The fourth proportional to 11,222.80, 16,834.20 and 9,837.70 is: 14,756.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,222.80 : 16,834.20 = 9,837.70 : x
  2. Step 2: Convert to fraction form
    11,222.80/16,834.20 = 9,837.70/x
  3. Step 3: Cross multiply
    11,222.80x = 16,834.20 × 9,837.70
  4. Step 4: Simplify right side
    11,222.80x = 165,609,809.34
  5. Step 5: Solve for x
    x = 165,609,809.34/11,222.80
  6. Step 6: Final answer
    x = 14,756.55

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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.