Home / 12,637.23-18,958.27-3,872.22

Finding the Fourth Proportional to 12,637.23, 18,958.27 and 3,872.22

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Solution

The fourth proportional to 12,637.23, 18,958.27 and 3,872.22 is: 5,809.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,637.23 : 18,958.27 = 3,872.22 : x
  2. Step 2: Convert to fraction form
    12,637.23/18,958.27 = 3,872.22/x
  3. Step 3: Cross multiply
    12,637.23x = 18,958.27 × 3,872.22
  4. Step 4: Simplify right side
    12,637.23x = 73,410,592.26
  5. Step 5: Solve for x
    x = 73,410,592.26/12,637.23
  6. Step 6: Final answer
    x = 5,809.07

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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.