Home / 12,282.74-18,423.65-3,962.12

Finding the Fourth Proportional to 12,282.74, 18,423.65 and 3,962.12

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Solution

The fourth proportional to 12,282.74, 18,423.65 and 3,962.12 is: 5,943.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,282.74 : 18,423.65 = 3,962.12 : x
  2. Step 2: Convert to fraction form
    12,282.74/18,423.65 = 3,962.12/x
  3. Step 3: Cross multiply
    12,282.74x = 18,423.65 × 3,962.12
  4. Step 4: Simplify right side
    12,282.74x = 72,996,629.93
  5. Step 5: Solve for x
    x = 72,996,629.93/12,282.74
  6. Step 6: Final answer
    x = 5,943.03

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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.