Home / 14,125.83-21,174.96-6,728.31

Finding the Fourth Proportional to 14,125.83, 21,174.96 and 6,728.31

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Solution

The fourth proportional to 14,125.83, 21,174.96 and 6,728.31 is: 10,085.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,125.83 : 21,174.96 = 6,728.31 : x
  2. Step 2: Convert to fraction form
    14,125.83/21,174.96 = 6,728.31/x
  3. Step 3: Cross multiply
    14,125.83x = 21,174.96 × 6,728.31
  4. Step 4: Simplify right side
    14,125.83x = 142,471,695.12
  5. Step 5: Solve for x
    x = 142,471,695.12/14,125.83
  6. Step 6: Final answer
    x = 10,085.90

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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.