Home / 17,538.63-26,265.92-12,782.04

Finding the Fourth Proportional to 17,538.63, 26,265.92 and 12,782.04

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Solution

The fourth proportional to 17,538.63, 26,265.92 and 12,782.04 is: 19,142.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,538.63 : 26,265.92 = 12,782.04 : x
  2. Step 2: Convert to fraction form
    17,538.63/26,265.92 = 12,782.04/x
  3. Step 3: Cross multiply
    17,538.63x = 26,265.92 × 12,782.04
  4. Step 4: Simplify right side
    17,538.63x = 335,731,976.17
  5. Step 5: Solve for x
    x = 335,731,976.17/17,538.63
  6. Step 6: Final answer
    x = 19,142.43

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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.