Home / 12,207.60-18,304.52-3,886.08

Finding the Fourth Proportional to 12,207.60, 18,304.52 and 3,886.08

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Solution

The fourth proportional to 12,207.60, 18,304.52 and 3,886.08 is: 5,826.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,207.60 : 18,304.52 = 3,886.08 : x
  2. Step 2: Convert to fraction form
    12,207.60/18,304.52 = 3,886.08/x
  3. Step 3: Cross multiply
    12,207.60x = 18,304.52 × 3,886.08
  4. Step 4: Simplify right side
    12,207.60x = 71,132,829.08
  5. Step 5: Solve for x
    x = 71,132,829.08/12,207.60
  6. Step 6: Final answer
    x = 5,826.93

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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.