Home / 11,297.40-15,596.31-8,773.83

Finding the Fourth Proportional to 11,297.40, 15,596.31 and 8,773.83

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Solution

The fourth proportional to 11,297.40, 15,596.31 and 8,773.83 is: 12,112.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,297.40 : 15,596.31 = 8,773.83 : x
  2. Step 2: Convert to fraction form
    11,297.40/15,596.31 = 8,773.83/x
  3. Step 3: Cross multiply
    11,297.40x = 15,596.31 × 8,773.83
  4. Step 4: Simplify right side
    11,297.40x = 136,839,372.57
  5. Step 5: Solve for x
    x = 136,839,372.57/11,297.40
  6. Step 6: Final answer
    x = 12,112.47

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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.