Home / 11,923.34-16,454.38-6,618.66

Finding the Fourth Proportional to 11,923.34, 16,454.38 and 6,618.66

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Solution

The fourth proportional to 11,923.34, 16,454.38 and 6,618.66 is: 9,133.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,923.34 : 16,454.38 = 6,618.66 : x
  2. Step 2: Convert to fraction form
    11,923.34/16,454.38 = 6,618.66/x
  3. Step 3: Cross multiply
    11,923.34x = 16,454.38 × 6,618.66
  4. Step 4: Simplify right side
    11,923.34x = 108,905,946.73
  5. Step 5: Solve for x
    x = 108,905,946.73/11,923.34
  6. Step 6: Final answer
    x = 9,133.85

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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.