Home / 10,131.03-13,971.62-6,354.54

Finding the Fourth Proportional to 10,131.03, 13,971.62 and 6,354.54

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Solution

The fourth proportional to 10,131.03, 13,971.62 and 6,354.54 is: 8,763.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,131.03 : 13,971.62 = 6,354.54 : x
  2. Step 2: Convert to fraction form
    10,131.03/13,971.62 = 6,354.54/x
  3. Step 3: Cross multiply
    10,131.03x = 13,971.62 × 6,354.54
  4. Step 4: Simplify right side
    10,131.03x = 88,783,234.04
  5. Step 5: Solve for x
    x = 88,783,234.04/10,131.03
  6. Step 6: Final answer
    x = 8,763.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.