Home / 12,512.44-17,259.72-7,795.81

Finding the Fourth Proportional to 12,512.44, 17,259.72 and 7,795.81

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Solution

The fourth proportional to 12,512.44, 17,259.72 and 7,795.81 is: 10,753.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,512.44 : 17,259.72 = 7,795.81 : x
  2. Step 2: Convert to fraction form
    12,512.44/17,259.72 = 7,795.81/x
  3. Step 3: Cross multiply
    12,512.44x = 17,259.72 × 7,795.81
  4. Step 4: Simplify right side
    12,512.44x = 134,553,497.77
  5. Step 5: Solve for x
    x = 134,553,497.77/12,512.44
  6. Step 6: Final answer
    x = 10,753.58

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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.