Home / 14,184.84-21,268.12-6,789.12

Finding the Fourth Proportional to 14,184.84, 21,268.12 and 6,789.12

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Solution

The fourth proportional to 14,184.84, 21,268.12 and 6,789.12 is: 10,179.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,184.84 : 21,268.12 = 6,789.12 : x
  2. Step 2: Convert to fraction form
    14,184.84/21,268.12 = 6,789.12/x
  3. Step 3: Cross multiply
    14,184.84x = 21,268.12 × 6,789.12
  4. Step 4: Simplify right side
    14,184.84x = 144,391,818.85
  5. Step 5: Solve for x
    x = 144,391,818.85/14,184.84
  6. Step 6: Final answer
    x = 10,179.31

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1.5x scale

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.