Home / 12,704.19-17,520.96-10,046.99

Finding the Fourth Proportional to 12,704.19, 17,520.96 and 10,046.99

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Solution

The fourth proportional to 12,704.19, 17,520.96 and 10,046.99 is: 13,856.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,704.19 : 17,520.96 = 10,046.99 : x
  2. Step 2: Convert to fraction form
    12,704.19/17,520.96 = 10,046.99/x
  3. Step 3: Cross multiply
    12,704.19x = 17,520.96 × 10,046.99
  4. Step 4: Simplify right side
    12,704.19x = 176,032,909.91
  5. Step 5: Solve for x
    x = 176,032,909.91/12,704.19
  6. Step 6: Final answer
    x = 13,856.29

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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.