Home / 14,009.78-21,021.96-11,030

Finding the Fourth Proportional to 14,009.78, 21,021.96 and 11,030

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Solution

The fourth proportional to 14,009.78, 21,021.96 and 11,030 is: 16,550.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,009.78 : 21,021.96 = 11,030 : x
  2. Step 2: Convert to fraction form
    14,009.78/21,021.96 = 11,030/x
  3. Step 3: Cross multiply
    14,009.78x = 21,021.96 × 11,030
  4. Step 4: Simplify right side
    14,009.78x = 231,872,218.80
  5. Step 5: Solve for x
    x = 231,872,218.80/14,009.78
  6. Step 6: Final answer
    x = 16,550.74

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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.