Home / 19,110.74-28,633.10-10,351.80

Finding the Fourth Proportional to 19,110.74, 28,633.10 and 10,351.80

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Solution

The fourth proportional to 19,110.74, 28,633.10 and 10,351.80 is: 15,509.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,110.74 : 28,633.10 = 10,351.80 : x
  2. Step 2: Convert to fraction form
    19,110.74/28,633.10 = 10,351.80/x
  3. Step 3: Cross multiply
    19,110.74x = 28,633.10 × 10,351.80
  4. Step 4: Simplify right side
    19,110.74x = 296,404,072.82
  5. Step 5: Solve for x
    x = 296,404,072.82/19,110.74
  6. Step 6: Final answer
    x = 15,509.82

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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.