Home / 12,185.02-18,276.72-6,344.92

Finding the Fourth Proportional to 12,185.02, 18,276.72 and 6,344.92

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Solution

The fourth proportional to 12,185.02, 18,276.72 and 6,344.92 is: 9,516.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,185.02 : 18,276.72 = 6,344.92 : x
  2. Step 2: Convert to fraction form
    12,185.02/18,276.72 = 6,344.92/x
  3. Step 3: Cross multiply
    12,185.02x = 18,276.72 × 6,344.92
  4. Step 4: Simplify right side
    12,185.02x = 115,964,326.26
  5. Step 5: Solve for x
    x = 115,964,326.26/12,185.02
  6. Step 6: Final answer
    x = 9,516.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.