Home / 12,637.25-18,960.06-3,872.24

Finding the Fourth Proportional to 12,637.25, 18,960.06 and 3,872.24

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Solution

The fourth proportional to 12,637.25, 18,960.06 and 3,872.24 is: 5,809.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,637.25 : 18,960.06 = 3,872.24 : x
  2. Step 2: Convert to fraction form
    12,637.25/18,960.06 = 3,872.24/x
  3. Step 3: Cross multiply
    12,637.25x = 18,960.06 × 3,872.24
  4. Step 4: Simplify right side
    12,637.25x = 73,417,902.73
  5. Step 5: Solve for x
    x = 73,417,902.73/12,637.25
  6. Step 6: Final answer
    x = 5,809.64

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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.