Home / 10,017.21-13,819.10-6,481.56

Finding the Fourth Proportional to 10,017.21, 13,819.10 and 6,481.56

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Solution

The fourth proportional to 10,017.21, 13,819.10 and 6,481.56 is: 8,941.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,017.21 : 13,819.10 = 6,481.56 : x
  2. Step 2: Convert to fraction form
    10,017.21/13,819.10 = 6,481.56/x
  3. Step 3: Cross multiply
    10,017.21x = 13,819.10 × 6,481.56
  4. Step 4: Simplify right side
    10,017.21x = 89,569,293.39
  5. Step 5: Solve for x
    x = 89,569,293.39/10,017.21
  6. Step 6: Final answer
    x = 8,941.54

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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.