Home / 15,385.70-23,076.72-4,997.44

Finding the Fourth Proportional to 15,385.70, 23,076.72 and 4,997.44

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Solution

The fourth proportional to 15,385.70, 23,076.72 and 4,997.44 is: 7,495.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,385.70 : 23,076.72 = 4,997.44 : x
  2. Step 2: Convert to fraction form
    15,385.70/23,076.72 = 4,997.44/x
  3. Step 3: Cross multiply
    15,385.70x = 23,076.72 × 4,997.44
  4. Step 4: Simplify right side
    15,385.70x = 115,324,523.60
  5. Step 5: Solve for x
    x = 115,324,523.60/15,385.70
  6. Step 6: Final answer
    x = 7,495.57

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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.