Home / 15,544.44-21,450.60-8,829.90

Finding the Fourth Proportional to 15,544.44, 21,450.60 and 8,829.90

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Solution

The fourth proportional to 15,544.44, 21,450.60 and 8,829.90 is: 12,184.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,544.44 : 21,450.60 = 8,829.90 : x
  2. Step 2: Convert to fraction form
    15,544.44/21,450.60 = 8,829.90/x
  3. Step 3: Cross multiply
    15,544.44x = 21,450.60 × 8,829.90
  4. Step 4: Simplify right side
    15,544.44x = 189,406,652.94
  5. Step 5: Solve for x
    x = 189,406,652.94/15,544.44
  6. Step 6: Final answer
    x = 12,184.85

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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.