Home / 14,246.55-21,369.83-12,132.45

Finding the Fourth Proportional to 14,246.55, 21,369.83 and 12,132.45

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Solution

The fourth proportional to 14,246.55, 21,369.83 and 12,132.45 is: 18,198.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,246.55 : 21,369.83 = 12,132.45 : x
  2. Step 2: Convert to fraction form
    14,246.55/21,369.83 = 12,132.45/x
  3. Step 3: Cross multiply
    14,246.55x = 21,369.83 × 12,132.45
  4. Step 4: Simplify right side
    14,246.55x = 259,268,333.32
  5. Step 5: Solve for x
    x = 259,268,333.32/14,246.55
  6. Step 6: Final answer
    x = 18,198.68

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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.