Home / 11,079.50-16,628.84-5,818.21

Finding the Fourth Proportional to 11,079.50, 16,628.84 and 5,818.21

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Solution

The fourth proportional to 11,079.50, 16,628.84 and 5,818.21 is: 8,732.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,079.50 : 16,628.84 = 5,818.21 : x
  2. Step 2: Convert to fraction form
    11,079.50/16,628.84 = 5,818.21/x
  3. Step 3: Cross multiply
    11,079.50x = 16,628.84 × 5,818.21
  4. Step 4: Simplify right side
    11,079.50x = 96,750,074.87
  5. Step 5: Solve for x
    x = 96,750,074.87/11,079.50
  6. Step 6: Final answer
    x = 8,732.35

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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.