Home / 17,197.68-23,725.80-13,646.64

Finding the Fourth Proportional to 17,197.68, 23,725.80 and 13,646.64

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Solution

The fourth proportional to 17,197.68, 23,725.80 and 13,646.64 is: 18,826.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,197.68 : 23,725.80 = 13,646.64 : x
  2. Step 2: Convert to fraction form
    17,197.68/23,725.80 = 13,646.64/x
  3. Step 3: Cross multiply
    17,197.68x = 23,725.80 × 13,646.64
  4. Step 4: Simplify right side
    17,197.68x = 323,777,451.31
  5. Step 5: Solve for x
    x = 323,777,451.31/17,197.68
  6. Step 6: Final answer
    x = 18,826.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.