Home / 11,215.22-16,824.04-5,373.50

Finding the Fourth Proportional to 11,215.22, 16,824.04 and 5,373.50

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Solution

The fourth proportional to 11,215.22, 16,824.04 and 5,373.50 is: 8,060.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,215.22 : 16,824.04 = 5,373.50 : x
  2. Step 2: Convert to fraction form
    11,215.22/16,824.04 = 5,373.50/x
  3. Step 3: Cross multiply
    11,215.22x = 16,824.04 × 5,373.50
  4. Step 4: Simplify right side
    11,215.22x = 90,403,978.94
  5. Step 5: Solve for x
    x = 90,403,978.94/11,215.22
  6. Step 6: Final answer
    x = 8,060.83

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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.