Home / 14,082.75-21,137.39-8,828.28

Finding the Fourth Proportional to 14,082.75, 21,137.39 and 8,828.28

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Solution

The fourth proportional to 14,082.75, 21,137.39 and 8,828.28 is: 13,250.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,082.75 : 21,137.39 = 8,828.28 : x
  2. Step 2: Convert to fraction form
    14,082.75/21,137.39 = 8,828.28/x
  3. Step 3: Cross multiply
    14,082.75x = 21,137.39 × 8,828.28
  4. Step 4: Simplify right side
    14,082.75x = 186,606,753.25
  5. Step 5: Solve for x
    x = 186,606,753.25/14,082.75
  6. Step 6: Final answer
    x = 13,250.73

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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.