Home / 15,380.28-23,071.64-7,584.84

Finding the Fourth Proportional to 15,380.28, 23,071.64 and 7,584.84

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Solution

The fourth proportional to 15,380.28, 23,071.64 and 7,584.84 is: 11,377.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,380.28 : 23,071.64 = 7,584.84 : x
  2. Step 2: Convert to fraction form
    15,380.28/23,071.64 = 7,584.84/x
  3. Step 3: Cross multiply
    15,380.28x = 23,071.64 × 7,584.84
  4. Step 4: Simplify right side
    15,380.28x = 174,994,660.01
  5. Step 5: Solve for x
    x = 174,994,660.01/15,380.28
  6. Step 6: Final answer
    x = 11,377.86

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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.