Home / 14,475.38-19,976.56-8,187.62

Finding the Fourth Proportional to 14,475.38, 19,976.56 and 8,187.62

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Solution

The fourth proportional to 14,475.38, 19,976.56 and 8,187.62 is: 11,299.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,475.38 : 19,976.56 = 8,187.62 : x
  2. Step 2: Convert to fraction form
    14,475.38/19,976.56 = 8,187.62/x
  3. Step 3: Cross multiply
    14,475.38x = 19,976.56 × 8,187.62
  4. Step 4: Simplify right side
    14,475.38x = 163,560,361.84
  5. Step 5: Solve for x
    x = 163,560,361.84/14,475.38
  6. Step 6: Final answer
    x = 11,299.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.