Home / 14,510.96-21,729.68-12,164.79

Finding the Fourth Proportional to 14,510.96, 21,729.68 and 12,164.79

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Solution

The fourth proportional to 14,510.96, 21,729.68 and 12,164.79 is: 18,216.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,510.96 : 21,729.68 = 12,164.79 : x
  2. Step 2: Convert to fraction form
    14,510.96/21,729.68 = 12,164.79/x
  3. Step 3: Cross multiply
    14,510.96x = 21,729.68 × 12,164.79
  4. Step 4: Simplify right side
    14,510.96x = 264,336,993.97
  5. Step 5: Solve for x
    x = 264,336,993.97/14,510.96
  6. Step 6: Final answer
    x = 18,216.37

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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.