Home / 13,263.44-19,893.68-3,402.95

Finding the Fourth Proportional to 13,263.44, 19,893.68 and 3,402.95

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Solution

The fourth proportional to 13,263.44, 19,893.68 and 3,402.95 is: 5,104.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,263.44 : 19,893.68 = 3,402.95 : x
  2. Step 2: Convert to fraction form
    13,263.44/19,893.68 = 3,402.95/x
  3. Step 3: Cross multiply
    13,263.44x = 19,893.68 × 3,402.95
  4. Step 4: Simplify right side
    13,263.44x = 67,697,081.87
  5. Step 5: Solve for x
    x = 67,697,081.87/13,263.44
  6. Step 6: Final answer
    x = 5,104.04

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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.