Home / 13,974.29-20,956.98-4,612.56

Finding the Fourth Proportional to 13,974.29, 20,956.98 and 4,612.56

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Solution

The fourth proportional to 13,974.29, 20,956.98 and 4,612.56 is: 6,917.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,974.29 : 20,956.98 = 4,612.56 : x
  2. Step 2: Convert to fraction form
    13,974.29/20,956.98 = 4,612.56/x
  3. Step 3: Cross multiply
    13,974.29x = 20,956.98 × 4,612.56
  4. Step 4: Simplify right side
    13,974.29x = 96,665,327.67
  5. Step 5: Solve for x
    x = 96,665,327.67/13,974.29
  6. Step 6: Final answer
    x = 6,917.37

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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.