Home / 13,819.16-20,826.04-12,504.68

Finding the Fourth Proportional to 13,819.16, 20,826.04 and 12,504.68

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Solution

The fourth proportional to 13,819.16, 20,826.04 and 12,504.68 is: 18,845.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,819.16 : 20,826.04 = 12,504.68 : x
  2. Step 2: Convert to fraction form
    13,819.16/20,826.04 = 12,504.68/x
  3. Step 3: Cross multiply
    13,819.16x = 20,826.04 × 12,504.68
  4. Step 4: Simplify right side
    13,819.16x = 260,422,965.87
  5. Step 5: Solve for x
    x = 260,422,965.87/13,819.16
  6. Step 6: Final answer
    x = 18,845.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.