Home / 15,905.00-23,850.10-5,902.78

Finding the Fourth Proportional to 15,905.00, 23,850.10 and 5,902.78

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Solution

The fourth proportional to 15,905.00, 23,850.10 and 5,902.78 is: 8,851.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,905.00 : 23,850.10 = 5,902.78 : x
  2. Step 2: Convert to fraction form
    15,905.00/23,850.10 = 5,902.78/x
  3. Step 3: Cross multiply
    15,905.00x = 23,850.10 × 5,902.78
  4. Step 4: Simplify right side
    15,905.00x = 140,781,893.28
  5. Step 5: Solve for x
    x = 140,781,893.28/15,905.00
  6. Step 6: Final answer
    x = 8,851.42

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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.