Home / 17,103.60-25,664.27-12,942.36

Finding the Fourth Proportional to 17,103.60, 25,664.27 and 12,942.36

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Solution

The fourth proportional to 17,103.60, 25,664.27 and 12,942.36 is: 19,420.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,103.60 : 25,664.27 = 12,942.36 : x
  2. Step 2: Convert to fraction form
    17,103.60/25,664.27 = 12,942.36/x
  3. Step 3: Cross multiply
    17,103.60x = 25,664.27 × 12,942.36
  4. Step 4: Simplify right side
    17,103.60x = 332,156,221.48
  5. Step 5: Solve for x
    x = 332,156,221.48/17,103.60
  6. Step 6: Final answer
    x = 19,420.25

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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.