Home / 12,464.61-18,692.88-4,142.39

Finding the Fourth Proportional to 12,464.61, 18,692.88 and 4,142.39

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Solution

The fourth proportional to 12,464.61, 18,692.88 and 4,142.39 is: 6,212.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,464.61 : 18,692.88 = 4,142.39 : x
  2. Step 2: Convert to fraction form
    12,464.61/18,692.88 = 4,142.39/x
  3. Step 3: Cross multiply
    12,464.61x = 18,692.88 × 4,142.39
  4. Step 4: Simplify right side
    12,464.61x = 77,433,195.33
  5. Step 5: Solve for x
    x = 77,433,195.33/12,464.61
  6. Step 6: Final answer
    x = 6,212.24

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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.