Home / 14,385.72-21,583.75-5,027.12

Finding the Fourth Proportional to 14,385.72, 21,583.75 and 5,027.12

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Solution

The fourth proportional to 14,385.72, 21,583.75 and 5,027.12 is: 7,542.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,385.72 : 21,583.75 = 5,027.12 : x
  2. Step 2: Convert to fraction form
    14,385.72/21,583.75 = 5,027.12/x
  3. Step 3: Cross multiply
    14,385.72x = 21,583.75 × 5,027.12
  4. Step 4: Simplify right side
    14,385.72x = 108,504,101.30
  5. Step 5: Solve for x
    x = 108,504,101.30/14,385.72
  6. Step 6: Final answer
    x = 7,542.49

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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.