Home / 11,286.40-16,930.32-4,707.76

Finding the Fourth Proportional to 11,286.40, 16,930.32 and 4,707.76

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Solution

The fourth proportional to 11,286.40, 16,930.32 and 4,707.76 is: 7,061.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,286.40 : 16,930.32 = 4,707.76 : x
  2. Step 2: Convert to fraction form
    11,286.40/16,930.32 = 4,707.76/x
  3. Step 3: Cross multiply
    11,286.40x = 16,930.32 × 4,707.76
  4. Step 4: Simplify right side
    11,286.40x = 79,703,883.28
  5. Step 5: Solve for x
    x = 79,703,883.28/11,286.40
  6. Step 6: Final answer
    x = 7,061.94

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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.