Home / 12,727.84-17,573.52-8,488.92

Finding the Fourth Proportional to 12,727.84, 17,573.52 and 8,488.92

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Solution

The fourth proportional to 12,727.84, 17,573.52 and 8,488.92 is: 11,720.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,727.84 : 17,573.52 = 8,488.92 : x
  2. Step 2: Convert to fraction form
    12,727.84/17,573.52 = 8,488.92/x
  3. Step 3: Cross multiply
    12,727.84x = 17,573.52 × 8,488.92
  4. Step 4: Simplify right side
    12,727.84x = 149,180,205.40
  5. Step 5: Solve for x
    x = 149,180,205.40/12,727.84
  6. Step 6: Final answer
    x = 11,720.78

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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.