Home / 10,686.36-14,747.22-6,212.73

Finding the Fourth Proportional to 10,686.36, 14,747.22 and 6,212.73

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Solution

The fourth proportional to 10,686.36, 14,747.22 and 6,212.73 is: 8,573.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,686.36 : 14,747.22 = 6,212.73 : x
  2. Step 2: Convert to fraction form
    10,686.36/14,747.22 = 6,212.73/x
  3. Step 3: Cross multiply
    10,686.36x = 14,747.22 × 6,212.73
  4. Step 4: Simplify right side
    10,686.36x = 91,620,496.11
  5. Step 5: Solve for x
    x = 91,620,496.11/10,686.36
  6. Step 6: Final answer
    x = 8,573.59

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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.