Home / 11,201.76-15,457.32-6,487.56

Finding the Fourth Proportional to 11,201.76, 15,457.32 and 6,487.56

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Solution

The fourth proportional to 11,201.76, 15,457.32 and 6,487.56 is: 8,952.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,201.76 : 15,457.32 = 6,487.56 : x
  2. Step 2: Convert to fraction form
    11,201.76/15,457.32 = 6,487.56/x
  3. Step 3: Cross multiply
    11,201.76x = 15,457.32 × 6,487.56
  4. Step 4: Simplify right side
    11,201.76x = 100,280,290.94
  5. Step 5: Solve for x
    x = 100,280,290.94/11,201.76
  6. Step 6: Final answer
    x = 8,952.19

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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.