Home / 12,761.44-19,122.62-8,585.98

Finding the Fourth Proportional to 12,761.44, 19,122.62 and 8,585.98

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Solution

The fourth proportional to 12,761.44, 19,122.62 and 8,585.98 is: 12,865.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,761.44 : 19,122.62 = 8,585.98 : x
  2. Step 2: Convert to fraction form
    12,761.44/19,122.62 = 8,585.98/x
  3. Step 3: Cross multiply
    12,761.44x = 19,122.62 × 8,585.98
  4. Step 4: Simplify right side
    12,761.44x = 164,186,432.87
  5. Step 5: Solve for x
    x = 164,186,432.87/12,761.44
  6. Step 6: Final answer
    x = 12,865.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.