Home / 19,355.06-28,959.22-11,461.82

Finding the Fourth Proportional to 19,355.06, 28,959.22 and 11,461.82

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Solution

The fourth proportional to 19,355.06, 28,959.22 and 11,461.82 is: 17,149.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,355.06 : 28,959.22 = 11,461.82 : x
  2. Step 2: Convert to fraction form
    19,355.06/28,959.22 = 11,461.82/x
  3. Step 3: Cross multiply
    19,355.06x = 28,959.22 × 11,461.82
  4. Step 4: Simplify right side
    19,355.06x = 331,925,366.98
  5. Step 5: Solve for x
    x = 331,925,366.98/19,355.06
  6. Step 6: Final answer
    x = 17,149.28

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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.