Home / 14,663.80-21,988.86-4,273.48

Finding the Fourth Proportional to 14,663.80, 21,988.86 and 4,273.48

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Solution

The fourth proportional to 14,663.80, 21,988.86 and 4,273.48 is: 6,408.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,663.80 : 21,988.86 = 4,273.48 : x
  2. Step 2: Convert to fraction form
    14,663.80/21,988.86 = 4,273.48/x
  3. Step 3: Cross multiply
    14,663.80x = 21,988.86 × 4,273.48
  4. Step 4: Simplify right side
    14,663.80x = 93,968,953.43
  5. Step 5: Solve for x
    x = 93,968,953.43/14,663.80
  6. Step 6: Final answer
    x = 6,408.23

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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.