Home / 17,256.21-25,921.17-12,357.33

Finding the Fourth Proportional to 17,256.21, 25,921.17 and 12,357.33

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Solution

The fourth proportional to 17,256.21, 25,921.17 and 12,357.33 is: 18,562.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,256.21 : 25,921.17 = 12,357.33 : x
  2. Step 2: Convert to fraction form
    17,256.21/25,921.17 = 12,357.33/x
  3. Step 3: Cross multiply
    17,256.21x = 25,921.17 × 12,357.33
  4. Step 4: Simplify right side
    17,256.21x = 320,316,451.68
  5. Step 5: Solve for x
    x = 320,316,451.68/17,256.21
  6. Step 6: Final answer
    x = 18,562.39

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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.