Home / 19,191.70-28,785.66-6,709.42

Finding the Fourth Proportional to 19,191.70, 28,785.66 and 6,709.42

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Solution

The fourth proportional to 19,191.70, 28,785.66 and 6,709.42 is: 10,063.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,191.70 : 28,785.66 = 6,709.42 : x
  2. Step 2: Convert to fraction form
    19,191.70/28,785.66 = 6,709.42/x
  3. Step 3: Cross multiply
    19,191.70x = 28,785.66 × 6,709.42
  4. Step 4: Simplify right side
    19,191.70x = 193,135,082.92
  5. Step 5: Solve for x
    x = 193,135,082.92/19,191.70
  6. Step 6: Final answer
    x = 10,063.47

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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.