Home / 12,747.94-17,599.36-8,275.66

Finding the Fourth Proportional to 12,747.94, 17,599.36 and 8,275.66

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Solution

The fourth proportional to 12,747.94, 17,599.36 and 8,275.66 is: 11,425.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,747.94 : 17,599.36 = 8,275.66 : x
  2. Step 2: Convert to fraction form
    12,747.94/17,599.36 = 8,275.66/x
  3. Step 3: Cross multiply
    12,747.94x = 17,599.36 × 8,275.66
  4. Step 4: Simplify right side
    12,747.94x = 145,646,319.58
  5. Step 5: Solve for x
    x = 145,646,319.58/12,747.94
  6. Step 6: Final answer
    x = 11,425.09

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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.