Home / 14,966.22-20,648.37-9,664.62

Finding the Fourth Proportional to 14,966.22, 20,648.37 and 9,664.62

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Solution

The fourth proportional to 14,966.22, 20,648.37 and 9,664.62 is: 13,333.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,966.22 : 20,648.37 = 9,664.62 : x
  2. Step 2: Convert to fraction form
    14,966.22/20,648.37 = 9,664.62/x
  3. Step 3: Cross multiply
    14,966.22x = 20,648.37 × 9,664.62
  4. Step 4: Simplify right side
    14,966.22x = 199,558,649.67
  5. Step 5: Solve for x
    x = 199,558,649.67/14,966.22
  6. Step 6: Final answer
    x = 13,333.94

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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.