Home / 14,027.57-20,938.68-12,366.87

Finding the Fourth Proportional to 14,027.57, 20,938.68 and 12,366.87

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Solution

The fourth proportional to 14,027.57, 20,938.68 and 12,366.87 is: 18,459.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,027.57 : 20,938.68 = 12,366.87 : x
  2. Step 2: Convert to fraction form
    14,027.57/20,938.68 = 12,366.87/x
  3. Step 3: Cross multiply
    14,027.57x = 20,938.68 × 12,366.87
  4. Step 4: Simplify right side
    14,027.57x = 258,945,933.53
  5. Step 5: Solve for x
    x = 258,945,933.53/14,027.57
  6. Step 6: Final answer
    x = 18,459.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.