Home / 11,391.99-17,089.20-4,818.84

Finding the Fourth Proportional to 11,391.99, 17,089.20 and 4,818.84

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Solution

The fourth proportional to 11,391.99, 17,089.20 and 4,818.84 is: 7,228.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,391.99 : 17,089.20 = 4,818.84 : x
  2. Step 2: Convert to fraction form
    11,391.99/17,089.20 = 4,818.84/x
  3. Step 3: Cross multiply
    11,391.99x = 17,089.20 × 4,818.84
  4. Step 4: Simplify right side
    11,391.99x = 82,350,120.53
  5. Step 5: Solve for x
    x = 82,350,120.53/11,391.99
  6. Step 6: Final answer
    x = 7,228.77

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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.