Home / 12,175.54-18,261.88-3,411.16

Finding the Fourth Proportional to 12,175.54, 18,261.88 and 3,411.16

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Solution

The fourth proportional to 12,175.54, 18,261.88 and 3,411.16 is: 5,116.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,175.54 : 18,261.88 = 3,411.16 : x
  2. Step 2: Convert to fraction form
    12,175.54/18,261.88 = 3,411.16/x
  3. Step 3: Cross multiply
    12,175.54x = 18,261.88 × 3,411.16
  4. Step 4: Simplify right side
    12,175.54x = 62,294,194.58
  5. Step 5: Solve for x
    x = 62,294,194.58/12,175.54
  6. Step 6: Final answer
    x = 5,116.34

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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.