Home / 14,072.28-21,080.68-11,442.75

Finding the Fourth Proportional to 14,072.28, 21,080.68 and 11,442.75

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Solution

The fourth proportional to 14,072.28, 21,080.68 and 11,442.75 is: 17,141.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,072.28 : 21,080.68 = 11,442.75 : x
  2. Step 2: Convert to fraction form
    14,072.28/21,080.68 = 11,442.75/x
  3. Step 3: Cross multiply
    14,072.28x = 21,080.68 × 11,442.75
  4. Step 4: Simplify right side
    14,072.28x = 241,220,893.86
  5. Step 5: Solve for x
    x = 241,220,893.86/14,072.28
  6. Step 6: Final answer
    x = 17,141.57

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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.