Home / 12,283.04-18,428.15-3,962.89

Finding the Fourth Proportional to 12,283.04, 18,428.15 and 3,962.89

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Solution

The fourth proportional to 12,283.04, 18,428.15 and 3,962.89 is: 5,945.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,283.04 : 18,428.15 = 3,962.89 : x
  2. Step 2: Convert to fraction form
    12,283.04/18,428.15 = 3,962.89/x
  3. Step 3: Cross multiply
    12,283.04x = 18,428.15 × 3,962.89
  4. Step 4: Simplify right side
    12,283.04x = 73,028,619.40
  5. Step 5: Solve for x
    x = 73,028,619.40/12,283.04
  6. Step 6: Final answer
    x = 5,945.48

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1.5x scale

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.