Home / 16,969.44-25,431.12-8,767.20

Finding the Fourth Proportional to 16,969.44, 25,431.12 and 8,767.20

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Solution

The fourth proportional to 16,969.44, 25,431.12 and 8,767.20 is: 13,138.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,969.44 : 25,431.12 = 8,767.20 : x
  2. Step 2: Convert to fraction form
    16,969.44/25,431.12 = 8,767.20/x
  3. Step 3: Cross multiply
    16,969.44x = 25,431.12 × 8,767.20
  4. Step 4: Simplify right side
    16,969.44x = 222,959,715.26
  5. Step 5: Solve for x
    x = 222,959,715.26/16,969.44
  6. Step 6: Final answer
    x = 13,138.90

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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.