Home / 13,903.16-20,849.67-4,039.79

Finding the Fourth Proportional to 13,903.16, 20,849.67 and 4,039.79

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Solution

The fourth proportional to 13,903.16, 20,849.67 and 4,039.79 is: 6,058.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,903.16 : 20,849.67 = 4,039.79 : x
  2. Step 2: Convert to fraction form
    13,903.16/20,849.67 = 4,039.79/x
  3. Step 3: Cross multiply
    13,903.16x = 20,849.67 × 4,039.79
  4. Step 4: Simplify right side
    13,903.16x = 84,228,184.12
  5. Step 5: Solve for x
    x = 84,228,184.12/13,903.16
  6. Step 6: Final answer
    x = 6,058.21

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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.