Home / 18,790.20-28,176.21-6,935.94

Finding the Fourth Proportional to 18,790.20, 28,176.21 and 6,935.94

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Solution

The fourth proportional to 18,790.20, 28,176.21 and 6,935.94 is: 10,400.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,790.20 : 28,176.21 = 6,935.94 : x
  2. Step 2: Convert to fraction form
    18,790.20/28,176.21 = 6,935.94/x
  3. Step 3: Cross multiply
    18,790.20x = 28,176.21 × 6,935.94
  4. Step 4: Simplify right side
    18,790.20x = 195,428,501.99
  5. Step 5: Solve for x
    x = 195,428,501.99/18,790.20
  6. Step 6: Final answer
    x = 10,400.55

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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.