Home / 20,162.10-30,249.23-14,330.10

Finding the Fourth Proportional to 20,162.10, 30,249.23 and 14,330.10

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Solution

The fourth proportional to 20,162.10, 30,249.23 and 14,330.10 is: 21,499.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,162.10 : 30,249.23 = 14,330.10 : x
  2. Step 2: Convert to fraction form
    20,162.10/30,249.23 = 14,330.10/x
  3. Step 3: Cross multiply
    20,162.10x = 30,249.23 × 14,330.10
  4. Step 4: Simplify right side
    20,162.10x = 433,474,419.17
  5. Step 5: Solve for x
    x = 433,474,419.17/20,162.10
  6. Step 6: Final answer
    x = 21,499.47

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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.