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Finding the Fourth Proportional to 12,502.70, 17,253.03 and 6,836.32

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Solution

The fourth proportional to 12,502.70, 17,253.03 and 6,836.32 is: 9,433.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,502.70 : 17,253.03 = 6,836.32 : x
  2. Step 2: Convert to fraction form
    12,502.70/17,253.03 = 6,836.32/x
  3. Step 3: Cross multiply
    12,502.70x = 17,253.03 × 6,836.32
  4. Step 4: Simplify right side
    12,502.70x = 117,947,229.98
  5. Step 5: Solve for x
    x = 117,947,229.98/12,502.70
  6. Step 6: Final answer
    x = 9,433.74

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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.