Home / 11,134.14-16,686.73-8,338.87

Finding the Fourth Proportional to 11,134.14, 16,686.73 and 8,338.87

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Solution

The fourth proportional to 11,134.14, 16,686.73 and 8,338.87 is: 12,497.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,134.14 : 16,686.73 = 8,338.87 : x
  2. Step 2: Convert to fraction form
    11,134.14/16,686.73 = 8,338.87/x
  3. Step 3: Cross multiply
    11,134.14x = 16,686.73 × 8,338.87
  4. Step 4: Simplify right side
    11,134.14x = 139,148,472.20
  5. Step 5: Solve for x
    x = 139,148,472.20/11,134.14
  6. Step 6: Final answer
    x = 12,497.46

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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.