Home / 12,171.22-16,796.28-6,866.02

Finding the Fourth Proportional to 12,171.22, 16,796.28 and 6,866.02

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Solution

The fourth proportional to 12,171.22, 16,796.28 and 6,866.02 is: 9,475.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,171.22 : 16,796.28 = 6,866.02 : x
  2. Step 2: Convert to fraction form
    12,171.22/16,796.28 = 6,866.02/x
  3. Step 3: Cross multiply
    12,171.22x = 16,796.28 × 6,866.02
  4. Step 4: Simplify right side
    12,171.22x = 115,323,594.41
  5. Step 5: Solve for x
    x = 115,323,594.41/12,171.22
  6. Step 6: Final answer
    x = 9,475.11

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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.