Home / 13,675.41-20,513.11-3,287.16

Finding the Fourth Proportional to 13,675.41, 20,513.11 and 3,287.16

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Solution

The fourth proportional to 13,675.41, 20,513.11 and 3,287.16 is: 4,930.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,675.41 : 20,513.11 = 3,287.16 : x
  2. Step 2: Convert to fraction form
    13,675.41/20,513.11 = 3,287.16/x
  3. Step 3: Cross multiply
    13,675.41x = 20,513.11 × 3,287.16
  4. Step 4: Simplify right side
    13,675.41x = 67,429,874.67
  5. Step 5: Solve for x
    x = 67,429,874.67/13,675.41
  6. Step 6: Final answer
    x = 4,930.74

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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.