Home / 14,065.33-21,108.38-6,669.81

Finding the Fourth Proportional to 14,065.33, 21,108.38 and 6,669.81

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Solution

The fourth proportional to 14,065.33, 21,108.38 and 6,669.81 is: 10,009.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,065.33 : 21,108.38 = 6,669.81 : x
  2. Step 2: Convert to fraction form
    14,065.33/21,108.38 = 6,669.81/x
  3. Step 3: Cross multiply
    14,065.33x = 21,108.38 × 6,669.81
  4. Step 4: Simplify right side
    14,065.33x = 140,788,850.66
  5. Step 5: Solve for x
    x = 140,788,850.66/14,065.33
  6. Step 6: Final answer
    x = 10,009.64

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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.