Home / 13,087.30-19,630.92-3,226.60

Finding the Fourth Proportional to 13,087.30, 19,630.92 and 3,226.60

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Solution

The fourth proportional to 13,087.30, 19,630.92 and 3,226.60 is: 4,839.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,087.30 : 19,630.92 = 3,226.60 : x
  2. Step 2: Convert to fraction form
    13,087.30/19,630.92 = 3,226.60/x
  3. Step 3: Cross multiply
    13,087.30x = 19,630.92 × 3,226.60
  4. Step 4: Simplify right side
    13,087.30x = 63,341,126.47
  5. Step 5: Solve for x
    x = 63,341,126.47/13,087.30
  6. Step 6: Final answer
    x = 4,839.89

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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.