Home / 14,129.97-21,164.21-6,711.95

Finding the Fourth Proportional to 14,129.97, 21,164.21 and 6,711.95

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Solution

The fourth proportional to 14,129.97, 21,164.21 and 6,711.95 is: 10,053.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,129.97 : 21,164.21 = 6,711.95 : x
  2. Step 2: Convert to fraction form
    14,129.97/21,164.21 = 6,711.95/x
  3. Step 3: Cross multiply
    14,129.97x = 21,164.21 × 6,711.95
  4. Step 4: Simplify right side
    14,129.97x = 142,052,979.93
  5. Step 5: Solve for x
    x = 142,052,979.93/14,129.97
  6. Step 6: Final answer
    x = 10,053.31

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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.