Home / 18,925.65-26,116.83-11,855.97

Finding the Fourth Proportional to 18,925.65, 26,116.83 and 11,855.97

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Solution

The fourth proportional to 18,925.65, 26,116.83 and 11,855.97 is: 16,360.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,925.65 : 26,116.83 = 11,855.97 : x
  2. Step 2: Convert to fraction form
    18,925.65/26,116.83 = 11,855.97/x
  3. Step 3: Cross multiply
    18,925.65x = 26,116.83 × 11,855.97
  4. Step 4: Simplify right side
    18,925.65x = 309,640,352.98
  5. Step 5: Solve for x
    x = 309,640,352.98/18,925.65
  6. Step 6: Final answer
    x = 16,360.88

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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.