Home / 14,278.14-21,372.23-12,773.66

Finding the Fourth Proportional to 14,278.14, 21,372.23 and 12,773.66

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Solution

The fourth proportional to 14,278.14, 21,372.23 and 12,773.66 is: 19,120.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,278.14 : 21,372.23 = 12,773.66 : x
  2. Step 2: Convert to fraction form
    14,278.14/21,372.23 = 12,773.66/x
  3. Step 3: Cross multiply
    14,278.14x = 21,372.23 × 12,773.66
  4. Step 4: Simplify right side
    14,278.14x = 273,001,524.53
  5. Step 5: Solve for x
    x = 273,001,524.53/14,278.14
  6. Step 6: Final answer
    x = 19,120.24

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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.