Home / 12,335.84-18,506.04-3,904.46

Finding the Fourth Proportional to 12,335.84, 18,506.04 and 3,904.46

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Solution

The fourth proportional to 12,335.84, 18,506.04 and 3,904.46 is: 5,857.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,335.84 : 18,506.04 = 3,904.46 : x
  2. Step 2: Convert to fraction form
    12,335.84/18,506.04 = 3,904.46/x
  3. Step 3: Cross multiply
    12,335.84x = 18,506.04 × 3,904.46
  4. Step 4: Simplify right side
    12,335.84x = 72,256,092.94
  5. Step 5: Solve for x
    x = 72,256,092.94/12,335.84
  6. Step 6: Final answer
    x = 5,857.41

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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.