Home / 13,906.77-20,864.61-5,021.88

Finding the Fourth Proportional to 13,906.77, 20,864.61 and 5,021.88

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Solution

The fourth proportional to 13,906.77, 20,864.61 and 5,021.88 is: 7,534.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,906.77 : 20,864.61 = 5,021.88 : x
  2. Step 2: Convert to fraction form
    13,906.77/20,864.61 = 5,021.88/x
  3. Step 3: Cross multiply
    13,906.77x = 20,864.61 × 5,021.88
  4. Step 4: Simplify right side
    13,906.77x = 104,779,567.67
  5. Step 5: Solve for x
    x = 104,779,567.67/13,906.77
  6. Step 6: Final answer
    x = 7,534.43

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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.