Home / 12,519.54-17,276.97-7,803.82

Finding the Fourth Proportional to 12,519.54, 17,276.97 and 7,803.82

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Solution

The fourth proportional to 12,519.54, 17,276.97 and 7,803.82 is: 10,769.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,519.54 : 17,276.97 = 7,803.82 : x
  2. Step 2: Convert to fraction form
    12,519.54/17,276.97 = 7,803.82/x
  3. Step 3: Cross multiply
    12,519.54x = 17,276.97 × 7,803.82
  4. Step 4: Simplify right side
    12,519.54x = 134,826,364.03
  5. Step 5: Solve for x
    x = 134,826,364.03/12,519.54
  6. Step 6: Final answer
    x = 10,769.27

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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.