Home / 14,020.39-21,027.34-4,157.29

Finding the Fourth Proportional to 14,020.39, 21,027.34 and 4,157.29

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Solution

The fourth proportional to 14,020.39, 21,027.34 and 4,157.29 is: 6,234.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020.39 : 21,027.34 = 4,157.29 : x
  2. Step 2: Convert to fraction form
    14,020.39/21,027.34 = 4,157.29/x
  3. Step 3: Cross multiply
    14,020.39x = 21,027.34 × 4,157.29
  4. Step 4: Simplify right side
    14,020.39x = 87,416,750.31
  5. Step 5: Solve for x
    x = 87,416,750.31/14,020.39
  6. Step 6: Final answer
    x = 6,234.97

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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.