Home / 17,928.82-26,863.32-12,655.18

Finding the Fourth Proportional to 17,928.82, 26,863.32 and 12,655.18

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Solution

The fourth proportional to 17,928.82, 26,863.32 and 12,655.18 is: 18,961.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,928.82 : 26,863.32 = 12,655.18 : x
  2. Step 2: Convert to fraction form
    17,928.82/26,863.32 = 12,655.18/x
  3. Step 3: Cross multiply
    17,928.82x = 26,863.32 × 12,655.18
  4. Step 4: Simplify right side
    17,928.82x = 339,960,150.00
  5. Step 5: Solve for x
    x = 339,960,150.00/17,928.82
  6. Step 6: Final answer
    x = 18,961.66

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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.