Home / 18,961.67-26,172.31-11,006.46

Finding the Fourth Proportional to 18,961.67, 26,172.31 and 11,006.46

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Solution

The fourth proportional to 18,961.67, 26,172.31 and 11,006.46 is: 15,191.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,961.67 : 26,172.31 = 11,006.46 : x
  2. Step 2: Convert to fraction form
    18,961.67/26,172.31 = 11,006.46/x
  3. Step 3: Cross multiply
    18,961.67x = 26,172.31 × 11,006.46
  4. Step 4: Simplify right side
    18,961.67x = 288,064,297.23
  5. Step 5: Solve for x
    x = 288,064,297.23/18,961.67
  6. Step 6: Final answer
    x = 15,191.93

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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.