Home / 18,648.18-27,977.13-6,961.50

Finding the Fourth Proportional to 18,648.18, 27,977.13 and 6,961.50

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Solution

The fourth proportional to 18,648.18, 27,977.13 and 6,961.50 is: 10,444.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,648.18 : 27,977.13 = 6,961.50 : x
  2. Step 2: Convert to fraction form
    18,648.18/27,977.13 = 6,961.50/x
  3. Step 3: Cross multiply
    18,648.18x = 27,977.13 × 6,961.50
  4. Step 4: Simplify right side
    18,648.18x = 194,762,790.50
  5. Step 5: Solve for x
    x = 194,762,790.50/18,648.18
  6. Step 6: Final answer
    x = 10,444.06

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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.