Home / 12,660.22-17,319.26-12,606.92

Finding the Fourth Proportional to 12,660.22, 17,319.26 and 12,606.92

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Solution

The fourth proportional to 12,660.22, 17,319.26 and 12,606.92 is: 17,246.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,660.22 : 17,319.26 = 12,606.92 : x
  2. Step 2: Convert to fraction form
    12,660.22/17,319.26 = 12,606.92/x
  3. Step 3: Cross multiply
    12,660.22x = 17,319.26 × 12,606.92
  4. Step 4: Simplify right side
    12,660.22x = 218,342,525.28
  5. Step 5: Solve for x
    x = 218,342,525.28/12,660.22
  6. Step 6: Final answer
    x = 17,246.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.