Home / 12,840.93-17,652.45-11,041.82

Finding the Fourth Proportional to 12,840.93, 17,652.45 and 11,041.82

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Solution

The fourth proportional to 12,840.93, 17,652.45 and 11,041.82 is: 15,179.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,840.93 : 17,652.45 = 11,041.82 : x
  2. Step 2: Convert to fraction form
    12,840.93/17,652.45 = 11,041.82/x
  3. Step 3: Cross multiply
    12,840.93x = 17,652.45 × 11,041.82
  4. Step 4: Simplify right side
    12,840.93x = 194,915,175.46
  5. Step 5: Solve for x
    x = 194,915,175.46/12,840.93
  6. Step 6: Final answer
    x = 15,179.21

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.