Home / 15,679.44-23,524.56-7,881.84

Finding the Fourth Proportional to 15,679.44, 23,524.56 and 7,881.84

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Solution

The fourth proportional to 15,679.44, 23,524.56 and 7,881.84 is: 11,825.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,679.44 : 23,524.56 = 7,881.84 : x
  2. Step 2: Convert to fraction form
    15,679.44/23,524.56 = 7,881.84/x
  3. Step 3: Cross multiply
    15,679.44x = 23,524.56 × 7,881.84
  4. Step 4: Simplify right side
    15,679.44x = 185,416,817.99
  5. Step 5: Solve for x
    x = 185,416,817.99/15,679.44
  6. Step 6: Final answer
    x = 11,825.47

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1.5x scale

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.