Home / 11,222.90-16,812.80-6,277.55

Finding the Fourth Proportional to 11,222.90, 16,812.80 and 6,277.55

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Solution

The fourth proportional to 11,222.90, 16,812.80 and 6,277.55 is: 9,404.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,222.90 : 16,812.80 = 6,277.55 : x
  2. Step 2: Convert to fraction form
    11,222.90/16,812.80 = 6,277.55/x
  3. Step 3: Cross multiply
    11,222.90x = 16,812.80 × 6,277.55
  4. Step 4: Simplify right side
    11,222.90x = 105,543,166.30
  5. Step 5: Solve for x
    x = 105,543,166.30/11,222.90
  6. Step 6: Final answer
    x = 9,404.27

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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.