Home / 20,632.86-28,464.21-12,244.50

Finding the Fourth Proportional to 20,632.86, 28,464.21 and 12,244.50

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Solution

The fourth proportional to 20,632.86, 28,464.21 and 12,244.50 is: 16,891.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,632.86 : 28,464.21 = 12,244.50 : x
  2. Step 2: Convert to fraction form
    20,632.86/28,464.21 = 12,244.50/x
  3. Step 3: Cross multiply
    20,632.86x = 28,464.21 × 12,244.50
  4. Step 4: Simplify right side
    20,632.86x = 348,530,019.35
  5. Step 5: Solve for x
    x = 348,530,019.35/20,632.86
  6. Step 6: Final answer
    x = 16,891.99

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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.