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Finding the Fourth Proportional to 15,286.11, 22,935.65 and 8,352.51

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Solution

The fourth proportional to 15,286.11, 22,935.65 and 8,352.51 is: 12,532.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,286.11 : 22,935.65 = 8,352.51 : x
  2. Step 2: Convert to fraction form
    15,286.11/22,935.65 = 8,352.51/x
  3. Step 3: Cross multiply
    15,286.11x = 22,935.65 × 8,352.51
  4. Step 4: Simplify right side
    15,286.11x = 191,570,245.98
  5. Step 5: Solve for x
    x = 191,570,245.98/15,286.11
  6. Step 6: Final answer
    x = 12,532.31

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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.