Home / 19,245.43-28,857.12-5,914.96

Finding the Fourth Proportional to 19,245.43, 28,857.12 and 5,914.96

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Solution

The fourth proportional to 19,245.43, 28,857.12 and 5,914.96 is: 8,869.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,245.43 : 28,857.12 = 5,914.96 : x
  2. Step 2: Convert to fraction form
    19,245.43/28,857.12 = 5,914.96/x
  3. Step 3: Cross multiply
    19,245.43x = 28,857.12 × 5,914.96
  4. Step 4: Simplify right side
    19,245.43x = 170,688,657.78
  5. Step 5: Solve for x
    x = 170,688,657.78/19,245.43
  6. Step 6: Final answer
    x = 8,869.05

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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.