Home / 21,751.66-30,006.61-14,194.50

Finding the Fourth Proportional to 21,751.66, 30,006.61 and 14,194.50

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Solution

The fourth proportional to 21,751.66, 30,006.61 and 14,194.50 is: 19,581.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,751.66 : 30,006.61 = 14,194.50 : x
  2. Step 2: Convert to fraction form
    21,751.66/30,006.61 = 14,194.50/x
  3. Step 3: Cross multiply
    21,751.66x = 30,006.61 × 14,194.50
  4. Step 4: Simplify right side
    21,751.66x = 425,928,825.65
  5. Step 5: Solve for x
    x = 425,928,825.65/21,751.66
  6. Step 6: Final answer
    x = 19,581.44

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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.