Home / 16,289.12-24,418.08-5,188.62

Finding the Fourth Proportional to 16,289.12, 24,418.08 and 5,188.62

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Solution

The fourth proportional to 16,289.12, 24,418.08 and 5,188.62 is: 7,777.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,289.12 : 24,418.08 = 5,188.62 : x
  2. Step 2: Convert to fraction form
    16,289.12/24,418.08 = 5,188.62/x
  3. Step 3: Cross multiply
    16,289.12x = 24,418.08 × 5,188.62
  4. Step 4: Simplify right side
    16,289.12x = 126,695,990.22
  5. Step 5: Solve for x
    x = 126,695,990.22/16,289.12
  6. Step 6: Final answer
    x = 7,777.95

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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.