Home / 10,220.11-14,103.87-6,186.88

Finding the Fourth Proportional to 10,220.11, 14,103.87 and 6,186.88

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Solution

The fourth proportional to 10,220.11, 14,103.87 and 6,186.88 is: 8,537.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,220.11 : 14,103.87 = 6,186.88 : x
  2. Step 2: Convert to fraction form
    10,220.11/14,103.87 = 6,186.88/x
  3. Step 3: Cross multiply
    10,220.11x = 14,103.87 × 6,186.88
  4. Step 4: Simplify right side
    10,220.11x = 87,258,951.23
  5. Step 5: Solve for x
    x = 87,258,951.23/10,220.11
  6. Step 6: Final answer
    x = 8,537.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.