Home / 17,820.13-26,676.94-10,778.84

Finding the Fourth Proportional to 17,820.13, 26,676.94 and 10,778.84

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Solution

The fourth proportional to 17,820.13, 26,676.94 and 10,778.84 is: 16,136.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,820.13 : 26,676.94 = 10,778.84 : x
  2. Step 2: Convert to fraction form
    17,820.13/26,676.94 = 10,778.84/x
  3. Step 3: Cross multiply
    17,820.13x = 26,676.94 × 10,778.84
  4. Step 4: Simplify right side
    17,820.13x = 287,546,307.62
  5. Step 5: Solve for x
    x = 287,546,307.62/17,820.13
  6. Step 6: Final answer
    x = 16,136.04

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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.