Home / 14,020.01-21,027.68-6,992.58

Finding the Fourth Proportional to 14,020.01, 21,027.68 and 6,992.58

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Solution

The fourth proportional to 14,020.01, 21,027.68 and 6,992.58 is: 10,487.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020.01 : 21,027.68 = 6,992.58 : x
  2. Step 2: Convert to fraction form
    14,020.01/21,027.68 = 6,992.58/x
  3. Step 3: Cross multiply
    14,020.01x = 21,027.68 × 6,992.58
  4. Step 4: Simplify right side
    14,020.01x = 147,037,734.61
  5. Step 5: Solve for x
    x = 147,037,734.61/14,020.01
  6. Step 6: Final answer
    x = 10,487.71

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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.