Home / 8,160.83-12,222.26-7,936.35

Finding the Fourth Proportional to 8,160.83, 12,222.26 and 7,936.35

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Solution

The fourth proportional to 8,160.83, 12,222.26 and 7,936.35 is: 11,886.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160.83 : 12,222.26 = 7,936.35 : x
  2. Step 2: Convert to fraction form
    8,160.83/12,222.26 = 7,936.35/x
  3. Step 3: Cross multiply
    8,160.83x = 12,222.26 × 7,936.35
  4. Step 4: Simplify right side
    8,160.83x = 97,000,093.47
  5. Step 5: Solve for x
    x = 97,000,093.47/8,160.83
  6. Step 6: Final answer
    x = 11,886.06

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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.