Home / 16,128.12-24,189.34-4,438.56

Finding the Fourth Proportional to 16,128.12, 24,189.34 and 4,438.56

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Solution

The fourth proportional to 16,128.12, 24,189.34 and 4,438.56 is: 6,657.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,128.12 : 24,189.34 = 4,438.56 : x
  2. Step 2: Convert to fraction form
    16,128.12/24,189.34 = 4,438.56/x
  3. Step 3: Cross multiply
    16,128.12x = 24,189.34 × 4,438.56
  4. Step 4: Simplify right side
    16,128.12x = 107,365,836.95
  5. Step 5: Solve for x
    x = 107,365,836.95/16,128.12
  6. Step 6: Final answer
    x = 6,657.06

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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.