Home / 13,746.68-20,634.60-12,175.60

Finding the Fourth Proportional to 13,746.68, 20,634.60 and 12,175.60

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Solution

The fourth proportional to 13,746.68, 20,634.60 and 12,175.60 is: 18,276.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,746.68 : 20,634.60 = 12,175.60 : x
  2. Step 2: Convert to fraction form
    13,746.68/20,634.60 = 12,175.60/x
  3. Step 3: Cross multiply
    13,746.68x = 20,634.60 × 12,175.60
  4. Step 4: Simplify right side
    13,746.68x = 251,238,639.87
  5. Step 5: Solve for x
    x = 251,238,639.87/13,746.68
  6. Step 6: Final answer
    x = 18,276.31

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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.