Home / 11,646.77-16,072.58-6,930.95

Finding the Fourth Proportional to 11,646.77, 16,072.58 and 6,930.95

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Solution

The fourth proportional to 11,646.77, 16,072.58 and 6,930.95 is: 9,564.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,646.77 : 16,072.58 = 6,930.95 : x
  2. Step 2: Convert to fraction form
    11,646.77/16,072.58 = 6,930.95/x
  3. Step 3: Cross multiply
    11,646.77x = 16,072.58 × 6,930.95
  4. Step 4: Simplify right side
    11,646.77x = 111,398,213.70
  5. Step 5: Solve for x
    x = 111,398,213.70/11,646.77
  6. Step 6: Final answer
    x = 9,564.73

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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.