Home / 11,730.09-16,187.66-6,425.13

Finding the Fourth Proportional to 11,730.09, 16,187.66 and 6,425.13

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Solution

The fourth proportional to 11,730.09, 16,187.66 and 6,425.13 is: 8,866.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,730.09 : 16,187.66 = 6,425.13 : x
  2. Step 2: Convert to fraction form
    11,730.09/16,187.66 = 6,425.13/x
  3. Step 3: Cross multiply
    11,730.09x = 16,187.66 × 6,425.13
  4. Step 4: Simplify right side
    11,730.09x = 104,007,819.90
  5. Step 5: Solve for x
    x = 104,007,819.90/11,730.09
  6. Step 6: Final answer
    x = 8,866.75

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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.