Home / 8,950.12-13,421.73-3,400.54

Finding the Fourth Proportional to 8,950.12, 13,421.73 and 3,400.54

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Solution

The fourth proportional to 8,950.12, 13,421.73 and 3,400.54 is: 5,099.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,950.12 : 13,421.73 = 3,400.54 : x
  2. Step 2: Convert to fraction form
    8,950.12/13,421.73 = 3,400.54/x
  3. Step 3: Cross multiply
    8,950.12x = 13,421.73 × 3,400.54
  4. Step 4: Simplify right side
    8,950.12x = 45,641,129.73
  5. Step 5: Solve for x
    x = 45,641,129.73/8,950.12
  6. Step 6: Final answer
    x = 5,099.50

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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.