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Finding the Fourth Proportional to 11,215.44, 16,804.44 and 7,652.34

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Solution

The fourth proportional to 11,215.44, 16,804.44 and 7,652.34 is: 11,465.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,215.44 : 16,804.44 = 7,652.34 : x
  2. Step 2: Convert to fraction form
    11,215.44/16,804.44 = 7,652.34/x
  3. Step 3: Cross multiply
    11,215.44x = 16,804.44 × 7,652.34
  4. Step 4: Simplify right side
    11,215.44x = 128,593,288.39
  5. Step 5: Solve for x
    x = 128,593,288.39/11,215.44
  6. Step 6: Final answer
    x = 11,465.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.