Home / 19,010.40-28,523.70-13,163.82

Finding the Fourth Proportional to 19,010.40, 28,523.70 and 13,163.82

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Solution

The fourth proportional to 19,010.40, 28,523.70 and 13,163.82 is: 19,751.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,010.40 : 28,523.70 = 13,163.82 : x
  2. Step 2: Convert to fraction form
    19,010.40/28,523.70 = 13,163.82/x
  3. Step 3: Cross multiply
    19,010.40x = 28,523.70 × 13,163.82
  4. Step 4: Simplify right side
    19,010.40x = 375,480,852.53
  5. Step 5: Solve for x
    x = 375,480,852.53/19,010.40
  6. Step 6: Final answer
    x = 19,751.34

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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.