Home / 12,548.83-18,817.77-4,226.61

Finding the Fourth Proportional to 12,548.83, 18,817.77 and 4,226.61

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Solution

The fourth proportional to 12,548.83, 18,817.77 and 4,226.61 is: 6,338.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,548.83 : 18,817.77 = 4,226.61 : x
  2. Step 2: Convert to fraction form
    12,548.83/18,817.77 = 4,226.61/x
  3. Step 3: Cross multiply
    12,548.83x = 18,817.77 × 4,226.61
  4. Step 4: Simplify right side
    12,548.83x = 79,535,374.86
  5. Step 5: Solve for x
    x = 79,535,374.86/12,548.83
  6. Step 6: Final answer
    x = 6,338.07

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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.