Home / 10,638.54-15,958.87-4,070.25

Finding the Fourth Proportional to 10,638.54, 15,958.87 and 4,070.25

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Solution

The fourth proportional to 10,638.54, 15,958.87 and 4,070.25 is: 6,105.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,638.54 : 15,958.87 = 4,070.25 : x
  2. Step 2: Convert to fraction form
    10,638.54/15,958.87 = 4,070.25/x
  3. Step 3: Cross multiply
    10,638.54x = 15,958.87 × 4,070.25
  4. Step 4: Simplify right side
    10,638.54x = 64,956,580.44
  5. Step 5: Solve for x
    x = 64,956,580.44/10,638.54
  6. Step 6: Final answer
    x = 6,105.78

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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.