Home / 11,866.19-16,374.94-6,829.71

Finding the Fourth Proportional to 11,866.19, 16,374.94 and 6,829.71

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Solution

The fourth proportional to 11,866.19, 16,374.94 and 6,829.71 is: 9,424.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,866.19 : 16,374.94 = 6,829.71 : x
  2. Step 2: Convert to fraction form
    11,866.19/16,374.94 = 6,829.71/x
  3. Step 3: Cross multiply
    11,866.19x = 16,374.94 × 6,829.71
  4. Step 4: Simplify right side
    11,866.19x = 111,836,091.47
  5. Step 5: Solve for x
    x = 111,836,091.47/11,866.19
  6. Step 6: Final answer
    x = 9,424.77

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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.