Home / 10,016.96-13,818.75-6,481.31

Finding the Fourth Proportional to 10,016.96, 13,818.75 and 6,481.31

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Solution

The fourth proportional to 10,016.96, 13,818.75 and 6,481.31 is: 8,941.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,016.96 : 13,818.75 = 6,481.31 : x
  2. Step 2: Convert to fraction form
    10,016.96/13,818.75 = 6,481.31/x
  3. Step 3: Cross multiply
    10,016.96x = 13,818.75 × 6,481.31
  4. Step 4: Simplify right side
    10,016.96x = 89,563,602.56
  5. Step 5: Solve for x
    x = 89,563,602.56/10,016.96
  6. Step 6: Final answer
    x = 8,941.20

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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.