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Finding the Fourth Proportional to 15,286.36, 22,936.04 and 8,352.76

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Solution

The fourth proportional to 15,286.36, 22,936.04 and 8,352.76 is: 12,532.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,286.36 : 22,936.04 = 8,352.76 : x
  2. Step 2: Convert to fraction form
    15,286.36/22,936.04 = 8,352.76/x
  3. Step 3: Cross multiply
    15,286.36x = 22,936.04 × 8,352.76
  4. Step 4: Simplify right side
    15,286.36x = 191,579,237.47
  5. Step 5: Solve for x
    x = 191,579,237.47/15,286.36
  6. Step 6: Final answer
    x = 12,532.69

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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.