Home / 10,960.96-15,124.08-6,481.12

Finding the Fourth Proportional to 10,960.96, 15,124.08 and 6,481.12

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Solution

The fourth proportional to 10,960.96, 15,124.08 and 6,481.12 is: 8,942.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,960.96 : 15,124.08 = 6,481.12 : x
  2. Step 2: Convert to fraction form
    10,960.96/15,124.08 = 6,481.12/x
  3. Step 3: Cross multiply
    10,960.96x = 15,124.08 × 6,481.12
  4. Step 4: Simplify right side
    10,960.96x = 98,020,977.37
  5. Step 5: Solve for x
    x = 98,020,977.37/10,960.96
  6. Step 6: Final answer
    x = 8,942.74

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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.