Home / 12,282.15-18,426.84-3,962.01

Finding the Fourth Proportional to 12,282.15, 18,426.84 and 3,962.01

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Solution

The fourth proportional to 12,282.15, 18,426.84 and 3,962.01 is: 5,944.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,282.15 : 18,426.84 = 3,962.01 : x
  2. Step 2: Convert to fraction form
    12,282.15/18,426.84 = 3,962.01/x
  3. Step 3: Cross multiply
    12,282.15x = 18,426.84 × 3,962.01
  4. Step 4: Simplify right side
    12,282.15x = 73,007,324.35
  5. Step 5: Solve for x
    x = 73,007,324.35/12,282.15
  6. Step 6: Final answer
    x = 5,944.18

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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.