Home / 12,637.08-18,956.34-3,872.07

Finding the Fourth Proportional to 12,637.08, 18,956.34 and 3,872.07

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Solution

The fourth proportional to 12,637.08, 18,956.34 and 3,872.07 is: 5,808.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,637.08 : 18,956.34 = 3,872.07 : x
  2. Step 2: Convert to fraction form
    12,637.08/18,956.34 = 3,872.07/x
  3. Step 3: Cross multiply
    12,637.08x = 18,956.34 × 3,872.07
  4. Step 4: Simplify right side
    12,637.08x = 73,400,275.42
  5. Step 5: Solve for x
    x = 73,400,275.42/12,637.08
  6. Step 6: Final answer
    x = 5,808.33

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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.