Home / 18,782.10-28,170.41-6,773.04

Finding the Fourth Proportional to 18,782.10, 28,170.41 and 6,773.04

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Solution

The fourth proportional to 18,782.10, 28,170.41 and 6,773.04 is: 10,158.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,782.10 : 28,170.41 = 6,773.04 : x
  2. Step 2: Convert to fraction form
    18,782.10/28,170.41 = 6,773.04/x
  3. Step 3: Cross multiply
    18,782.10x = 28,170.41 × 6,773.04
  4. Step 4: Simplify right side
    18,782.10x = 190,799,279.88
  5. Step 5: Solve for x
    x = 190,799,279.88/18,782.10
  6. Step 6: Final answer
    x = 10,158.57

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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.