Home / 13,849.51-20,774.29-5,530.20

Finding the Fourth Proportional to 13,849.51, 20,774.29 and 5,530.20

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Solution

The fourth proportional to 13,849.51, 20,774.29 and 5,530.20 is: 8,295.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,849.51 : 20,774.29 = 5,530.20 : x
  2. Step 2: Convert to fraction form
    13,849.51/20,774.29 = 5,530.20/x
  3. Step 3: Cross multiply
    13,849.51x = 20,774.29 × 5,530.20
  4. Step 4: Simplify right side
    13,849.51x = 114,885,874.69
  5. Step 5: Solve for x
    x = 114,885,874.69/13,849.51
  6. Step 6: Final answer
    x = 8,295.31

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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.