Home / 18,833.05-28,234.97-10,923.40

Finding the Fourth Proportional to 18,833.05, 28,234.97 and 10,923.40

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Solution

The fourth proportional to 18,833.05, 28,234.97 and 10,923.40 is: 16,376.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,833.05 : 28,234.97 = 10,923.40 : x
  2. Step 2: Convert to fraction form
    18,833.05/28,234.97 = 10,923.40/x
  3. Step 3: Cross multiply
    18,833.05x = 28,234.97 × 10,923.40
  4. Step 4: Simplify right side
    18,833.05x = 308,421,871.30
  5. Step 5: Solve for x
    x = 308,421,871.30/18,833.05
  6. Step 6: Final answer
    x = 16,376.63

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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.