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Finding the Fourth Proportional to 11,574.87, 17,362.31 and 3,255.77

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Solution

The fourth proportional to 11,574.87, 17,362.31 and 3,255.77 is: 4,883.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,574.87 : 17,362.31 = 3,255.77 : x
  2. Step 2: Convert to fraction form
    11,574.87/17,362.31 = 3,255.77/x
  3. Step 3: Cross multiply
    11,574.87x = 17,362.31 × 3,255.77
  4. Step 4: Simplify right side
    11,574.87x = 56,527,688.03
  5. Step 5: Solve for x
    x = 56,527,688.03/11,574.87
  6. Step 6: Final answer
    x = 4,883.66

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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.