Home / 14,884.03-20,539.90-8,169.78

Finding the Fourth Proportional to 14,884.03, 20,539.90 and 8,169.78

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Solution

The fourth proportional to 14,884.03, 20,539.90 and 8,169.78 is: 11,274.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,884.03 : 20,539.90 = 8,169.78 : x
  2. Step 2: Convert to fraction form
    14,884.03/20,539.90 = 8,169.78/x
  3. Step 3: Cross multiply
    14,884.03x = 20,539.90 × 8,169.78
  4. Step 4: Simplify right side
    14,884.03x = 167,806,464.22
  5. Step 5: Solve for x
    x = 167,806,464.22/14,884.03
  6. Step 6: Final answer
    x = 11,274.26

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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.