Home / 13,872.24-20,808.51-4,011.61

Finding the Fourth Proportional to 13,872.24, 20,808.51 and 4,011.61

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Solution

The fourth proportional to 13,872.24, 20,808.51 and 4,011.61 is: 6,017.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,872.24 : 20,808.51 = 4,011.61 : x
  2. Step 2: Convert to fraction form
    13,872.24/20,808.51 = 4,011.61/x
  3. Step 3: Cross multiply
    13,872.24x = 20,808.51 × 4,011.61
  4. Step 4: Simplify right side
    13,872.24x = 83,475,626.80
  5. Step 5: Solve for x
    x = 83,475,626.80/13,872.24
  6. Step 6: Final answer
    x = 6,017.46

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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.