Home / 12,376.72-18,564.80-3,016.79

Finding the Fourth Proportional to 12,376.72, 18,564.80 and 3,016.79

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Solution

The fourth proportional to 12,376.72, 18,564.80 and 3,016.79 is: 4,525.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,376.72 : 18,564.80 = 3,016.79 : x
  2. Step 2: Convert to fraction form
    12,376.72/18,564.80 = 3,016.79/x
  3. Step 3: Cross multiply
    12,376.72x = 18,564.80 × 3,016.79
  4. Step 4: Simplify right side
    12,376.72x = 56,005,995.08
  5. Step 5: Solve for x
    x = 56,005,995.08/12,376.72
  6. Step 6: Final answer
    x = 4,525.11

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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.