Home / 10,203.88-15,304.02-2,806.55

Finding the Fourth Proportional to 10,203.88, 15,304.02 and 2,806.55

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Solution

The fourth proportional to 10,203.88, 15,304.02 and 2,806.55 is: 4,209.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,203.88 : 15,304.02 = 2,806.55 : x
  2. Step 2: Convert to fraction form
    10,203.88/15,304.02 = 2,806.55/x
  3. Step 3: Cross multiply
    10,203.88x = 15,304.02 × 2,806.55
  4. Step 4: Simplify right side
    10,203.88x = 42,951,497.33
  5. Step 5: Solve for x
    x = 42,951,497.33/10,203.88
  6. Step 6: Final answer
    x = 4,209.33

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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.