Home / 9,999.55-13,798.82-6,222.60

Finding the Fourth Proportional to 9,999.55, 13,798.82 and 6,222.60

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Solution

The fourth proportional to 9,999.55, 13,798.82 and 6,222.60 is: 8,586.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,999.55 : 13,798.82 = 6,222.60 : x
  2. Step 2: Convert to fraction form
    9,999.55/13,798.82 = 6,222.60/x
  3. Step 3: Cross multiply
    9,999.55x = 13,798.82 × 6,222.60
  4. Step 4: Simplify right side
    9,999.55x = 85,864,552.89
  5. Step 5: Solve for x
    x = 85,864,552.89/9,999.55
  6. Step 6: Final answer
    x = 8,586.84

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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.