Home / 10,405.02-15,606-3,829.68

Finding the Fourth Proportional to 10,405.02, 15,606 and 3,829.68

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Solution

The fourth proportional to 10,405.02, 15,606 and 3,829.68 is: 5,743.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,405.02 : 15,606 = 3,829.68 : x
  2. Step 2: Convert to fraction form
    10,405.02/15,606 = 3,829.68/x
  3. Step 3: Cross multiply
    10,405.02x = 15,606 × 3,829.68
  4. Step 4: Simplify right side
    10,405.02x = 59,765,986.08
  5. Step 5: Solve for x
    x = 59,765,986.08/10,405.02
  6. Step 6: Final answer
    x = 5,743.95

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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.