Home / 18,899.10-26,081.82-10,834.10

Finding the Fourth Proportional to 18,899.10, 26,081.82 and 10,834.10

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Solution

The fourth proportional to 18,899.10, 26,081.82 and 10,834.10 is: 14,951.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,899.10 : 26,081.82 = 10,834.10 : x
  2. Step 2: Convert to fraction form
    18,899.10/26,081.82 = 10,834.10/x
  3. Step 3: Cross multiply
    18,899.10x = 26,081.82 × 10,834.10
  4. Step 4: Simplify right side
    18,899.10x = 282,572,915.65
  5. Step 5: Solve for x
    x = 282,572,915.65/18,899.10
  6. Step 6: Final answer
    x = 14,951.66

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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.