Home / 21,750.48-30,019.98-14,198.04

Finding the Fourth Proportional to 21,750.48, 30,019.98 and 14,198.04

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Solution

The fourth proportional to 21,750.48, 30,019.98 and 14,198.04 is: 19,596.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,750.48 : 30,019.98 = 14,198.04 : x
  2. Step 2: Convert to fraction form
    21,750.48/30,019.98 = 14,198.04/x
  3. Step 3: Cross multiply
    21,750.48x = 30,019.98 × 14,198.04
  4. Step 4: Simplify right side
    21,750.48x = 426,224,876.84
  5. Step 5: Solve for x
    x = 426,224,876.84/21,750.48
  6. Step 6: Final answer
    x = 19,596.11

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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.