Home / 12,261.61-18,393.02-3,497.82

Finding the Fourth Proportional to 12,261.61, 18,393.02 and 3,497.82

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Solution

The fourth proportional to 12,261.61, 18,393.02 and 3,497.82 is: 5,246.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,261.61 : 18,393.02 = 3,497.82 : x
  2. Step 2: Convert to fraction form
    12,261.61/18,393.02 = 3,497.82/x
  3. Step 3: Cross multiply
    12,261.61x = 18,393.02 × 3,497.82
  4. Step 4: Simplify right side
    12,261.61x = 64,335,473.22
  5. Step 5: Solve for x
    x = 64,335,473.22/12,261.61
  6. Step 6: Final answer
    x = 5,246.90

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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.