Home / 12,292.04-18,439.14-3,968.84

Finding the Fourth Proportional to 12,292.04, 18,439.14 and 3,968.84

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Solution

The fourth proportional to 12,292.04, 18,439.14 and 3,968.84 is: 5,953.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292.04 : 18,439.14 = 3,968.84 : x
  2. Step 2: Convert to fraction form
    12,292.04/18,439.14 = 3,968.84/x
  3. Step 3: Cross multiply
    12,292.04x = 18,439.14 × 3,968.84
  4. Step 4: Simplify right side
    12,292.04x = 73,181,996.40
  5. Step 5: Solve for x
    x = 73,181,996.40/12,292.04
  6. Step 6: Final answer
    x = 5,953.61

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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.