Home / 12,340.02-18,511.86-3,573.84

Finding the Fourth Proportional to 12,340.02, 18,511.86 and 3,573.84

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Solution

The fourth proportional to 12,340.02, 18,511.86 and 3,573.84 is: 5,361.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,340.02 : 18,511.86 = 3,573.84 : x
  2. Step 2: Convert to fraction form
    12,340.02/18,511.86 = 3,573.84/x
  3. Step 3: Cross multiply
    12,340.02x = 18,511.86 × 3,573.84
  4. Step 4: Simplify right side
    12,340.02x = 66,158,425.74
  5. Step 5: Solve for x
    x = 66,158,425.74/12,340.02
  6. Step 6: Final answer
    x = 5,361.29

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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.