Home / 18,976.67-26,196.24-12,265.55

Finding the Fourth Proportional to 18,976.67, 26,196.24 and 12,265.55

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Solution

The fourth proportional to 18,976.67, 26,196.24 and 12,265.55 is: 16,931.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,976.67 : 26,196.24 = 12,265.55 : x
  2. Step 2: Convert to fraction form
    18,976.67/26,196.24 = 12,265.55/x
  3. Step 3: Cross multiply
    18,976.67x = 26,196.24 × 12,265.55
  4. Step 4: Simplify right side
    18,976.67x = 321,311,160.55
  5. Step 5: Solve for x
    x = 321,311,160.55/18,976.67
  6. Step 6: Final answer
    x = 16,931.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.