Home / 18,914.92-28,352.66-10,582.72

Finding the Fourth Proportional to 18,914.92, 28,352.66 and 10,582.72

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Solution

The fourth proportional to 18,914.92, 28,352.66 and 10,582.72 is: 15,863.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,914.92 : 28,352.66 = 10,582.72 : x
  2. Step 2: Convert to fraction form
    18,914.92/28,352.66 = 10,582.72/x
  3. Step 3: Cross multiply
    18,914.92x = 28,352.66 × 10,582.72
  4. Step 4: Simplify right side
    18,914.92x = 300,048,262.04
  5. Step 5: Solve for x
    x = 300,048,262.04/18,914.92
  6. Step 6: Final answer
    x = 15,863.05

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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.