Home / 14,406.04-19,880.07-8,118.42

Finding the Fourth Proportional to 14,406.04, 19,880.07 and 8,118.42

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Solution

The fourth proportional to 14,406.04, 19,880.07 and 8,118.42 is: 11,203.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,406.04 : 19,880.07 = 8,118.42 : x
  2. Step 2: Convert to fraction form
    14,406.04/19,880.07 = 8,118.42/x
  3. Step 3: Cross multiply
    14,406.04x = 19,880.07 × 8,118.42
  4. Step 4: Simplify right side
    14,406.04x = 161,394,757.89
  5. Step 5: Solve for x
    x = 161,394,757.89/14,406.04
  6. Step 6: Final answer
    x = 11,203.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.