Home / 12,962.60-19,441.98-4,198.28

Finding the Fourth Proportional to 12,962.60, 19,441.98 and 4,198.28

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Solution

The fourth proportional to 12,962.60, 19,441.98 and 4,198.28 is: 6,296.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,962.60 : 19,441.98 = 4,198.28 : x
  2. Step 2: Convert to fraction form
    12,962.60/19,441.98 = 4,198.28/x
  3. Step 3: Cross multiply
    12,962.60x = 19,441.98 × 4,198.28
  4. Step 4: Simplify right side
    12,962.60x = 81,622,875.79
  5. Step 5: Solve for x
    x = 81,622,875.79/12,962.60
  6. Step 6: Final answer
    x = 6,296.80

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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.