Home / 12,761.45-19,094.06-11,466.53

Finding the Fourth Proportional to 12,761.45, 19,094.06 and 11,466.53

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Solution

The fourth proportional to 12,761.45, 19,094.06 and 11,466.53 is: 17,156.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,761.45 : 19,094.06 = 11,466.53 : x
  2. Step 2: Convert to fraction form
    12,761.45/19,094.06 = 11,466.53/x
  3. Step 3: Cross multiply
    12,761.45x = 19,094.06 × 11,466.53
  4. Step 4: Simplify right side
    12,761.45x = 218,942,459.01
  5. Step 5: Solve for x
    x = 218,942,459.01/12,761.45
  6. Step 6: Final answer
    x = 17,156.56

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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.